Home / 220,780.30-304,597.10-125,231.64

Finding the Fourth Proportional to 220,780.30, 304,597.10 and 125,231.64

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Solution

The fourth proportional to 220,780.30, 304,597.10 and 125,231.64 is: 172,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,780.30 : 304,597.10 = 125,231.64 : x
  2. Step 2: Convert to fraction form
    220,780.30/304,597.10 = 125,231.64/x
  3. Step 3: Cross multiply
    220,780.30x = 304,597.10 × 125,231.64
  4. Step 4: Simplify right side
    220,780.30x = 38,145,194,372.24
  5. Step 5: Solve for x
    x = 38,145,194,372.24/220,780.30
  6. Step 6: Final answer
    x = 172,774.45

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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.