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Finding the Fourth Proportional to 247,895.64, 342,098.64 and 134,718.39

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Solution

The fourth proportional to 247,895.64, 342,098.64 and 134,718.39 is: 185,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,895.64 : 342,098.64 = 134,718.39 : x
  2. Step 2: Convert to fraction form
    247,895.64/342,098.64 = 134,718.39/x
  3. Step 3: Cross multiply
    247,895.64x = 342,098.64 × 134,718.39
  4. Step 4: Simplify right side
    247,895.64x = 46,086,978,001.99
  5. Step 5: Solve for x
    x = 46,086,978,001.99/247,895.64
  6. Step 6: Final answer
    x = 185,912.82

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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.