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Finding the Fourth Proportional to 360,001.60, 540,002.40 and 342,505.60

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Solution

The fourth proportional to 360,001.60, 540,002.40 and 342,505.60 is: 513,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,001.60 : 540,002.40 = 342,505.60 : x
  2. Step 2: Convert to fraction form
    360,001.60/540,002.40 = 342,505.60/x
  3. Step 3: Cross multiply
    360,001.60x = 540,002.40 × 342,505.60
  4. Step 4: Simplify right side
    360,001.60x = 184,953,846,013.44
  5. Step 5: Solve for x
    x = 184,953,846,013.44/360,001.60
  6. Step 6: Final answer
    x = 513,758.40

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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.