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Finding the Fourth Proportional to 468,007.92, 645,849.12 and 253,147.71

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Solution

The fourth proportional to 468,007.92, 645,849.12 and 253,147.71 is: 349,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,007.92 : 645,849.12 = 253,147.71 : x
  2. Step 2: Convert to fraction form
    468,007.92/645,849.12 = 253,147.71/x
  3. Step 3: Cross multiply
    468,007.92x = 645,849.12 × 253,147.71
  4. Step 4: Simplify right side
    468,007.92x = 163,495,225,733.52
  5. Step 5: Solve for x
    x = 163,495,225,733.52/468,007.92
  6. Step 6: Final answer
    x = 349,342.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.