Home / 242,528.20-363,965.10-102,387.40

Finding the Fourth Proportional to 242,528.20, 363,965.10 and 102,387.40

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Solution

The fourth proportional to 242,528.20, 363,965.10 and 102,387.40 is: 153,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,528.20 : 363,965.10 = 102,387.40 : x
  2. Step 2: Convert to fraction form
    242,528.20/363,965.10 = 102,387.40/x
  3. Step 3: Cross multiply
    242,528.20x = 363,965.10 × 102,387.40
  4. Step 4: Simplify right side
    242,528.20x = 37,265,440,279.74
  5. Step 5: Solve for x
    x = 37,265,440,279.74/242,528.20
  6. Step 6: Final answer
    x = 153,654.05

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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.