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Finding the Fourth Proportional to 540,015.60, 809,245.80 and 240,250.80

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Solution

The fourth proportional to 540,015.60, 809,245.80 and 240,250.80 is: 360,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,015.60 : 809,245.80 = 240,250.80 : x
  2. Step 2: Convert to fraction form
    540,015.60/809,245.80 = 240,250.80/x
  3. Step 3: Cross multiply
    540,015.60x = 809,245.80 × 240,250.80
  4. Step 4: Simplify right side
    540,015.60x = 194,421,950,846.64
  5. Step 5: Solve for x
    x = 194,421,950,846.64/540,015.60
  6. Step 6: Final answer
    x = 360,030.25

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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.