Home / 220,526.30-304,279.44-129,849.18

Finding the Fourth Proportional to 220,526.30, 304,279.44 and 129,849.18

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Solution

The fourth proportional to 220,526.30, 304,279.44 and 129,849.18 is: 179,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,526.30 : 304,279.44 = 129,849.18 : x
  2. Step 2: Convert to fraction form
    220,526.30/304,279.44 = 129,849.18/x
  3. Step 3: Cross multiply
    220,526.30x = 304,279.44 × 129,849.18
  4. Step 4: Simplify right side
    220,526.30x = 39,510,434,146.88
  5. Step 5: Solve for x
    x = 39,510,434,146.88/220,526.30
  6. Step 6: Final answer
    x = 179,164.28

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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.