Home / 220,380.52-304,125.54-119,778.28

Finding the Fourth Proportional to 220,380.52, 304,125.54 and 119,778.28

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Solution

The fourth proportional to 220,380.52, 304,125.54 and 119,778.28 is: 165,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,380.52 : 304,125.54 = 119,778.28 : x
  2. Step 2: Convert to fraction form
    220,380.52/304,125.54 = 119,778.28/x
  3. Step 3: Cross multiply
    220,380.52x = 304,125.54 × 119,778.28
  4. Step 4: Simplify right side
    220,380.52x = 36,427,634,085.27
  5. Step 5: Solve for x
    x = 36,427,634,085.27/220,380.52
  6. Step 6: Final answer
    x = 165,294.26

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1.5x scale

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.