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Finding the Fourth Proportional to 540,011.10, 809,239.05 and 240,246.30

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Solution

The fourth proportional to 540,011.10, 809,239.05 and 240,246.30 is: 360,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,011.10 : 809,239.05 = 240,246.30 : x
  2. Step 2: Convert to fraction form
    540,011.10/809,239.05 = 240,246.30/x
  3. Step 3: Cross multiply
    540,011.10x = 809,239.05 × 240,246.30
  4. Step 4: Simplify right side
    540,011.10x = 194,416,687,578.02
  5. Step 5: Solve for x
    x = 194,416,687,578.02/540,011.10
  6. Step 6: Final answer
    x = 360,023.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.