Home / 284,864.38-392,213.01-250,849.78

Finding the Fourth Proportional to 284,864.38, 392,213.01 and 250,849.78

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Solution

The fourth proportional to 284,864.38, 392,213.01 and 250,849.78 is: 345,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,864.38 : 392,213.01 = 250,849.78 : x
  2. Step 2: Convert to fraction form
    284,864.38/392,213.01 = 250,849.78/x
  3. Step 3: Cross multiply
    284,864.38x = 392,213.01 × 250,849.78
  4. Step 4: Simplify right side
    284,864.38x = 98,386,547,271.64
  5. Step 5: Solve for x
    x = 98,386,547,271.64/284,864.38
  6. Step 6: Final answer
    x = 345,380.31

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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.