Home / 220,310.55-304,029.56-124,835.85

Finding the Fourth Proportional to 220,310.55, 304,029.56 and 124,835.85

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Solution

The fourth proportional to 220,310.55, 304,029.56 and 124,835.85 is: 172,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,310.55 : 304,029.56 = 124,835.85 : x
  2. Step 2: Convert to fraction form
    220,310.55/304,029.56 = 124,835.85/x
  3. Step 3: Cross multiply
    220,310.55x = 304,029.56 × 124,835.85
  4. Step 4: Simplify right side
    220,310.55x = 37,953,788,547.73
  5. Step 5: Solve for x
    x = 37,953,788,547.73/220,310.55
  6. Step 6: Final answer
    x = 172,274.04

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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.