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Finding the Fourth Proportional to 361,474.26, 542,359.98 and 158,966.16

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Solution

The fourth proportional to 361,474.26, 542,359.98 and 158,966.16 is: 238,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,474.26 : 542,359.98 = 158,966.16 : x
  2. Step 2: Convert to fraction form
    361,474.26/542,359.98 = 158,966.16/x
  3. Step 3: Cross multiply
    361,474.26x = 542,359.98 × 158,966.16
  4. Step 4: Simplify right side
    361,474.26x = 86,216,883,358.28
  5. Step 5: Solve for x
    x = 86,216,883,358.28/361,474.26
  6. Step 6: Final answer
    x = 238,514.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.