Home / 242,384.13-363,742.22-84,612.58

Finding the Fourth Proportional to 242,384.13, 363,742.22 and 84,612.58

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Solution

The fourth proportional to 242,384.13, 363,742.22 and 84,612.58 is: 126,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,384.13 : 363,742.22 = 84,612.58 : x
  2. Step 2: Convert to fraction form
    242,384.13/363,742.22 = 84,612.58/x
  3. Step 3: Cross multiply
    242,384.13x = 363,742.22 × 84,612.58
  4. Step 4: Simplify right side
    242,384.13x = 30,777,166,991.30
  5. Step 5: Solve for x
    x = 30,777,166,991.30/242,384.13
  6. Step 6: Final answer
    x = 126,976.82

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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.