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Finding the Fourth Proportional to 395,230.76, 592,843.90 and 158,404.04

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Solution

The fourth proportional to 395,230.76, 592,843.90 and 158,404.04 is: 237,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,230.76 : 592,843.90 = 158,404.04 : x
  2. Step 2: Convert to fraction form
    395,230.76/592,843.90 = 158,404.04/x
  3. Step 3: Cross multiply
    395,230.76x = 592,843.90 × 158,404.04
  4. Step 4: Simplify right side
    395,230.76x = 93,908,868,849.36
  5. Step 5: Solve for x
    x = 93,908,868,849.36/395,230.76
  6. Step 6: Final answer
    x = 237,605.16

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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.