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Finding the Fourth Proportional to 284,977.84, 425,362.10 and 251,358.88

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Solution

The fourth proportional to 284,977.84, 425,362.10 and 251,358.88 is: 375,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,977.84 : 425,362.10 = 251,358.88 : x
  2. Step 2: Convert to fraction form
    284,977.84/425,362.10 = 251,358.88/x
  3. Step 3: Cross multiply
    284,977.84x = 425,362.10 × 251,358.88
  4. Step 4: Simplify right side
    284,977.84x = 106,918,541,050.45
  5. Step 5: Solve for x
    x = 106,918,541,050.45/284,977.84
  6. Step 6: Final answer
    x = 375,181.95

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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.