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Finding the Fourth Proportional to 247,658.76, 341,772.75 and 140,225.76

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Solution

The fourth proportional to 247,658.76, 341,772.75 and 140,225.76 is: 193,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,658.76 : 341,772.75 = 140,225.76 : x
  2. Step 2: Convert to fraction form
    247,658.76/341,772.75 = 140,225.76/x
  3. Step 3: Cross multiply
    247,658.76x = 341,772.75 × 140,225.76
  4. Step 4: Simplify right side
    247,658.76x = 47,925,343,616.04
  5. Step 5: Solve for x
    x = 47,925,343,616.04/247,658.76
  6. Step 6: Final answer
    x = 193,513.62

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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.