Home / 231,538.41-319,572.63-150,821.91

Finding the Fourth Proportional to 231,538.41, 319,572.63 and 150,821.91

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Solution

The fourth proportional to 231,538.41, 319,572.63 and 150,821.91 is: 208,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,538.41 : 319,572.63 = 150,821.91 : x
  2. Step 2: Convert to fraction form
    231,538.41/319,572.63 = 150,821.91/x
  3. Step 3: Cross multiply
    231,538.41x = 319,572.63 × 150,821.91
  4. Step 4: Simplify right side
    231,538.41x = 48,198,554,440.32
  5. Step 5: Solve for x
    x = 48,198,554,440.32/231,538.41
  6. Step 6: Final answer
    x = 208,166.56

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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.