Home / 218,648.26-301,631.50-127,948.59

Finding the Fourth Proportional to 218,648.26, 301,631.50 and 127,948.59

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Solution

The fourth proportional to 218,648.26, 301,631.50 and 127,948.59 is: 176,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,648.26 : 301,631.50 = 127,948.59 : x
  2. Step 2: Convert to fraction form
    218,648.26/301,631.50 = 127,948.59/x
  3. Step 3: Cross multiply
    218,648.26x = 301,631.50 × 127,948.59
  4. Step 4: Simplify right side
    218,648.26x = 38,593,324,484.84
  5. Step 5: Solve for x
    x = 38,593,324,484.84/218,648.26
  6. Step 6: Final answer
    x = 176,508.72

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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.