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Finding the Fourth Proportional to 173,474.64, 239,262.92 and 149,316.72

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Solution

The fourth proportional to 173,474.64, 239,262.92 and 149,316.72 is: 205,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,474.64 : 239,262.92 = 149,316.72 : x
  2. Step 2: Convert to fraction form
    173,474.64/239,262.92 = 149,316.72/x
  3. Step 3: Cross multiply
    173,474.64x = 239,262.92 × 149,316.72
  4. Step 4: Simplify right side
    173,474.64x = 35,725,954,432.02
  5. Step 5: Solve for x
    x = 35,725,954,432.02/173,474.64
  6. Step 6: Final answer
    x = 205,943.38

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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.