Home / 302,691.15-454,036.73-142,729.86

Finding the Fourth Proportional to 302,691.15, 454,036.73 and 142,729.86

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Solution

The fourth proportional to 302,691.15, 454,036.73 and 142,729.86 is: 214,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,691.15 : 454,036.73 = 142,729.86 : x
  2. Step 2: Convert to fraction form
    302,691.15/454,036.73 = 142,729.86/x
  3. Step 3: Cross multiply
    302,691.15x = 454,036.73 × 142,729.86
  4. Step 4: Simplify right side
    302,691.15x = 64,804,598,194.11
  5. Step 5: Solve for x
    x = 64,804,598,194.11/302,691.15
  6. Step 6: Final answer
    x = 214,094.79

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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.