Home / 342,587.17-472,760.03-189,631.63

Finding the Fourth Proportional to 342,587.17, 472,760.03 and 189,631.63

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Solution

The fourth proportional to 342,587.17, 472,760.03 and 189,631.63 is: 261,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,587.17 : 472,760.03 = 189,631.63 : x
  2. Step 2: Convert to fraction form
    342,587.17/472,760.03 = 189,631.63/x
  3. Step 3: Cross multiply
    342,587.17x = 472,760.03 × 189,631.63
  4. Step 4: Simplify right side
    342,587.17x = 89,650,251,775.79
  5. Step 5: Solve for x
    x = 89,650,251,775.79/342,587.17
  6. Step 6: Final answer
    x = 261,685.96

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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.