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Finding the Fourth Proportional to 237,813.62, 328,170.24 and 135,818.90

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Solution

The fourth proportional to 237,813.62, 328,170.24 and 135,818.90 is: 187,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,813.62 : 328,170.24 = 135,818.90 : x
  2. Step 2: Convert to fraction form
    237,813.62/328,170.24 = 135,818.90/x
  3. Step 3: Cross multiply
    237,813.62x = 328,170.24 × 135,818.90
  4. Step 4: Simplify right side
    237,813.62x = 44,571,721,009.54
  5. Step 5: Solve for x
    x = 44,571,721,009.54/237,813.62
  6. Step 6: Final answer
    x = 187,422.91

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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.