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Finding the Fourth Proportional to 220,419.52, 304,179.36 and 119,817.28

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Solution

The fourth proportional to 220,419.52, 304,179.36 and 119,817.28 is: 165,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,419.52 : 304,179.36 = 119,817.28 : x
  2. Step 2: Convert to fraction form
    220,419.52/304,179.36 = 119,817.28/x
  3. Step 3: Cross multiply
    220,419.52x = 304,179.36 × 119,817.28
  4. Step 4: Simplify right side
    220,419.52x = 36,445,943,547.34
  5. Step 5: Solve for x
    x = 36,445,943,547.34/220,419.52
  6. Step 6: Final answer
    x = 165,348.08

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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.