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Finding the Fourth Proportional to 262,381.52, 362,191.56 and 173,170.64

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Solution

The fourth proportional to 262,381.52, 362,191.56 and 173,170.64 is: 239,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,381.52 : 362,191.56 = 173,170.64 : x
  2. Step 2: Convert to fraction form
    262,381.52/362,191.56 = 173,170.64/x
  3. Step 3: Cross multiply
    262,381.52x = 362,191.56 × 173,170.64
  4. Step 4: Simplify right side
    262,381.52x = 62,720,944,247.80
  5. Step 5: Solve for x
    x = 62,720,944,247.80/262,381.52
  6. Step 6: Final answer
    x = 239,044.82

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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.