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Finding the Fourth Proportional to 247,574.25, 341,656.61 and 134,397

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Solution

The fourth proportional to 247,574.25, 341,656.61 and 134,397 is: 185,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,574.25 : 341,656.61 = 134,397 : x
  2. Step 2: Convert to fraction form
    247,574.25/341,656.61 = 134,397/x
  3. Step 3: Cross multiply
    247,574.25x = 341,656.61 × 134,397
  4. Step 4: Simplify right side
    247,574.25x = 45,917,622,742.19
  5. Step 5: Solve for x
    x = 45,917,622,742.19/247,574.25
  6. Step 6: Final answer
    x = 185,470.11

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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.