Home / 402,233.36-555,079.97-220,944.74

Finding the Fourth Proportional to 402,233.36, 555,079.97 and 220,944.74

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Solution

The fourth proportional to 402,233.36, 555,079.97 and 220,944.74 is: 304,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,233.36 : 555,079.97 = 220,944.74 : x
  2. Step 2: Convert to fraction form
    402,233.36/555,079.97 = 220,944.74/x
  3. Step 3: Cross multiply
    402,233.36x = 555,079.97 × 220,944.74
  4. Step 4: Simplify right side
    402,233.36x = 122,641,995,770.73
  5. Step 5: Solve for x
    x = 122,641,995,770.73/402,233.36
  6. Step 6: Final answer
    x = 304,902.60

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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.