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Finding the Fourth Proportional to 342,110.07, 472,092.82 and 189,139.34

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Solution

The fourth proportional to 342,110.07, 472,092.82 and 189,139.34 is: 261,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,110.07 : 472,092.82 = 189,139.34 : x
  2. Step 2: Convert to fraction form
    342,110.07/472,092.82 = 189,139.34/x
  3. Step 3: Cross multiply
    342,110.07x = 472,092.82 × 189,139.34
  4. Step 4: Simplify right side
    342,110.07x = 89,291,324,393.54
  5. Step 5: Solve for x
    x = 89,291,324,393.54/342,110.07
  6. Step 6: Final answer
    x = 261,001.74

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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.