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Finding the Fourth Proportional to 234,994.29, 324,289.89 and 127,562.01

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Solution

The fourth proportional to 234,994.29, 324,289.89 and 127,562.01 is: 176,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,994.29 : 324,289.89 = 127,562.01 : x
  2. Step 2: Convert to fraction form
    234,994.29/324,289.89 = 127,562.01/x
  3. Step 3: Cross multiply
    234,994.29x = 324,289.89 × 127,562.01
  4. Step 4: Simplify right side
    234,994.29x = 41,367,070,191.08
  5. Step 5: Solve for x
    x = 41,367,070,191.08/234,994.29
  6. Step 6: Final answer
    x = 176,034.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.