Home / 242,549.20-363,996.60-102,408.40

Finding the Fourth Proportional to 242,549.20, 363,996.60 and 102,408.40

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Solution

The fourth proportional to 242,549.20, 363,996.60 and 102,408.40 is: 153,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,549.20 : 363,996.60 = 102,408.40 : x
  2. Step 2: Convert to fraction form
    242,549.20/363,996.60 = 102,408.40/x
  3. Step 3: Cross multiply
    242,549.20x = 363,996.60 × 102,408.40
  4. Step 4: Simplify right side
    242,549.20x = 37,276,309,411.44
  5. Step 5: Solve for x
    x = 37,276,309,411.44/242,549.20
  6. Step 6: Final answer
    x = 153,685.56

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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.