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Finding the Fourth Proportional to 173,292.60, 259,963.70 and 53,359.70

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Solution

The fourth proportional to 173,292.60, 259,963.70 and 53,359.70 is: 80,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,292.60 : 259,963.70 = 53,359.70 : x
  2. Step 2: Convert to fraction form
    173,292.60/259,963.70 = 53,359.70/x
  3. Step 3: Cross multiply
    173,292.60x = 259,963.70 × 53,359.70
  4. Step 4: Simplify right side
    173,292.60x = 13,871,585,042.89
  5. Step 5: Solve for x
    x = 13,871,585,042.89/173,292.60
  6. Step 6: Final answer
    x = 80,047.19

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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.