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Finding the Fourth Proportional to 247,374, 341,376.30 and 134,197.20

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Solution

The fourth proportional to 247,374, 341,376.30 and 134,197.20 is: 185,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,374 : 341,376.30 = 134,197.20 : x
  2. Step 2: Convert to fraction form
    247,374/341,376.30 = 134,197.20/x
  3. Step 3: Cross multiply
    247,374x = 341,376.30 × 134,197.20
  4. Step 4: Simplify right side
    247,374x = 45,811,743,606.36
  5. Step 5: Solve for x
    x = 45,811,743,606.36/247,374
  6. Step 6: Final answer
    x = 185,192.23

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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.