Home / 285,151.52-393,501.29-162,641.13

Finding the Fourth Proportional to 285,151.52, 393,501.29 and 162,641.13

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Solution

The fourth proportional to 285,151.52, 393,501.29 and 162,641.13 is: 224,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,151.52 : 393,501.29 = 162,641.13 : x
  2. Step 2: Convert to fraction form
    285,151.52/393,501.29 = 162,641.13/x
  3. Step 3: Cross multiply
    285,151.52x = 393,501.29 × 162,641.13
  4. Step 4: Simplify right side
    285,151.52x = 63,999,495,301.52
  5. Step 5: Solve for x
    x = 63,999,495,301.52/285,151.52
  6. Step 6: Final answer
    x = 224,440.31

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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.