Home / 284,966.76-427,939.16-253,018.04

Finding the Fourth Proportional to 284,966.76, 427,939.16 and 253,018.04

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Solution

The fourth proportional to 284,966.76, 427,939.16 and 253,018.04 is: 379,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,966.76 : 427,939.16 = 253,018.04 : x
  2. Step 2: Convert to fraction form
    284,966.76/427,939.16 = 253,018.04/x
  3. Step 3: Cross multiply
    284,966.76x = 427,939.16 × 253,018.04
  4. Step 4: Simplify right side
    284,966.76x = 108,276,324,097.66
  5. Step 5: Solve for x
    x = 108,276,324,097.66/284,966.76
  6. Step 6: Final answer
    x = 379,961.24

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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.