Home / 284,301.88-392,326.29-156,974.74

Finding the Fourth Proportional to 284,301.88, 392,326.29 and 156,974.74

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Solution

The fourth proportional to 284,301.88, 392,326.29 and 156,974.74 is: 216,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,301.88 : 392,326.29 = 156,974.74 : x
  2. Step 2: Convert to fraction form
    284,301.88/392,326.29 = 156,974.74/x
  3. Step 3: Cross multiply
    284,301.88x = 392,326.29 × 156,974.74
  4. Step 4: Simplify right side
    284,301.88x = 61,585,316,387.10
  5. Step 5: Solve for x
    x = 61,585,316,387.10/284,301.88
  6. Step 6: Final answer
    x = 216,619.45

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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.