Home / 245,691.30-368,539.02-68,212.16

Finding the Fourth Proportional to 245,691.30, 368,539.02 and 68,212.16

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Solution

The fourth proportional to 245,691.30, 368,539.02 and 68,212.16 is: 102,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,691.30 : 368,539.02 = 68,212.16 : x
  2. Step 2: Convert to fraction form
    245,691.30/368,539.02 = 68,212.16/x
  3. Step 3: Cross multiply
    245,691.30x = 368,539.02 × 68,212.16
  4. Step 4: Simplify right side
    245,691.30x = 25,138,840,755.79
  5. Step 5: Solve for x
    x = 25,138,840,755.79/245,691.30
  6. Step 6: Final answer
    x = 102,318.81

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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.