Home / 284,363.20-392,418.66-155,301.04

Finding the Fourth Proportional to 284,363.20, 392,418.66 and 155,301.04

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Solution

The fourth proportional to 284,363.20, 392,418.66 and 155,301.04 is: 214,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,363.20 : 392,418.66 = 155,301.04 : x
  2. Step 2: Convert to fraction form
    284,363.20/392,418.66 = 155,301.04/x
  3. Step 3: Cross multiply
    284,363.20x = 392,418.66 × 155,301.04
  4. Step 4: Simplify right side
    284,363.20x = 60,943,026,013.41
  5. Step 5: Solve for x
    x = 60,943,026,013.41/284,363.20
  6. Step 6: Final answer
    x = 214,314.04

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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.