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Finding the Fourth Proportional to 170,152.84, 255,227.51 and 43,792.59

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Solution

The fourth proportional to 170,152.84, 255,227.51 and 43,792.59 is: 65,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,152.84 : 255,227.51 = 43,792.59 : x
  2. Step 2: Convert to fraction form
    170,152.84/255,227.51 = 43,792.59/x
  3. Step 3: Cross multiply
    170,152.84x = 255,227.51 × 43,792.59
  4. Step 4: Simplify right side
    170,152.84x = 11,177,073,702.15
  5. Step 5: Solve for x
    x = 11,177,073,702.15/170,152.84
  6. Step 6: Final answer
    x = 65,688.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.