Home / 511,618.02-767,429.28-132,511.83

Finding the Fourth Proportional to 511,618.02, 767,429.28 and 132,511.83

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Solution

The fourth proportional to 511,618.02, 767,429.28 and 132,511.83 is: 198,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,618.02 : 767,429.28 = 132,511.83 : x
  2. Step 2: Convert to fraction form
    511,618.02/767,429.28 = 132,511.83/x
  3. Step 3: Cross multiply
    511,618.02x = 767,429.28 × 132,511.83
  4. Step 4: Simplify right side
    511,618.02x = 101,693,458,288.38
  5. Step 5: Solve for x
    x = 101,693,458,288.38/511,618.02
  6. Step 6: Final answer
    x = 198,768.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.