Home / 232,221.38-348,390.40-66,009.38

Finding the Fourth Proportional to 232,221.38, 348,390.40 and 66,009.38

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Solution

The fourth proportional to 232,221.38, 348,390.40 and 66,009.38 is: 99,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,221.38 : 348,390.40 = 66,009.38 : x
  2. Step 2: Convert to fraction form
    232,221.38/348,390.40 = 66,009.38/x
  3. Step 3: Cross multiply
    232,221.38x = 348,390.40 × 66,009.38
  4. Step 4: Simplify right side
    232,221.38x = 22,997,034,301.95
  5. Step 5: Solve for x
    x = 22,997,034,301.95/232,221.38
  6. Step 6: Final answer
    x = 99,030.65

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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.