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Finding the Fourth Proportional to 342,257.46, 472,125.69 and 199,001.66

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Solution

The fourth proportional to 342,257.46, 472,125.69 and 199,001.66 is: 274,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,257.46 : 472,125.69 = 199,001.66 : x
  2. Step 2: Convert to fraction form
    342,257.46/472,125.69 = 199,001.66/x
  3. Step 3: Cross multiply
    342,257.46x = 472,125.69 × 199,001.66
  4. Step 4: Simplify right side
    342,257.46x = 93,953,796,038.65
  5. Step 5: Solve for x
    x = 93,953,796,038.65/342,257.46
  6. Step 6: Final answer
    x = 274,512.05

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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.