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Finding the Fourth Proportional to 284,065.92, 426,666.15 and 177,639.21

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Solution

The fourth proportional to 284,065.92, 426,666.15 and 177,639.21 is: 266,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,065.92 : 426,666.15 = 177,639.21 : x
  2. Step 2: Convert to fraction form
    284,065.92/426,666.15 = 177,639.21/x
  3. Step 3: Cross multiply
    284,065.92x = 426,666.15 × 177,639.21
  4. Step 4: Simplify right side
    284,065.92x = 75,792,637,819.74
  5. Step 5: Solve for x
    x = 75,792,637,819.74/284,065.92
  6. Step 6: Final answer
    x = 266,813.55

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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.