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Finding the Fourth Proportional to 247,875.66, 342,068.76 and 140,452.98

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Solution

The fourth proportional to 247,875.66, 342,068.76 and 140,452.98 is: 193,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,875.66 : 342,068.76 = 140,452.98 : x
  2. Step 2: Convert to fraction form
    247,875.66/342,068.76 = 140,452.98/x
  3. Step 3: Cross multiply
    247,875.66x = 342,068.76 × 140,452.98
  4. Step 4: Simplify right side
    247,875.66x = 48,044,576,706.90
  5. Step 5: Solve for x
    x = 48,044,576,706.90/247,875.66
  6. Step 6: Final answer
    x = 193,825.31

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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.