Home / 242,034.30-363,051.45-153,387.90

Finding the Fourth Proportional to 242,034.30, 363,051.45 and 153,387.90

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Solution

The fourth proportional to 242,034.30, 363,051.45 and 153,387.90 is: 230,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,034.30 : 363,051.45 = 153,387.90 : x
  2. Step 2: Convert to fraction form
    242,034.30/363,051.45 = 153,387.90/x
  3. Step 3: Cross multiply
    242,034.30x = 363,051.45 × 153,387.90
  4. Step 4: Simplify right side
    242,034.30x = 55,687,699,507.46
  5. Step 5: Solve for x
    x = 55,687,699,507.46/242,034.30
  6. Step 6: Final answer
    x = 230,081.85

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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.