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Finding the Fourth Proportional to 284,975.83, 425,359.11 and 251,356.87

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Solution

The fourth proportional to 284,975.83, 425,359.11 and 251,356.87 is: 375,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,975.83 : 425,359.11 = 251,356.87 : x
  2. Step 2: Convert to fraction form
    284,975.83/425,359.11 = 251,356.87/x
  3. Step 3: Cross multiply
    284,975.83x = 425,359.11 × 251,356.87
  4. Step 4: Simplify right side
    284,975.83x = 106,916,934,515.59
  5. Step 5: Solve for x
    x = 106,916,934,515.59/284,975.83
  6. Step 6: Final answer
    x = 375,178.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.