Home / 342,092.73-472,074.02-189,121.18

Finding the Fourth Proportional to 342,092.73, 472,074.02 and 189,121.18

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Solution

The fourth proportional to 342,092.73, 472,074.02 and 189,121.18 is: 260,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,092.73 : 472,074.02 = 189,121.18 : x
  2. Step 2: Convert to fraction form
    342,092.73/472,074.02 = 189,121.18/x
  3. Step 3: Cross multiply
    342,092.73x = 472,074.02 × 189,121.18
  4. Step 4: Simplify right side
    342,092.73x = 89,279,194,764.14
  5. Step 5: Solve for x
    x = 89,279,194,764.14/342,092.73
  6. Step 6: Final answer
    x = 260,979.52

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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.