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Finding the Fourth Proportional to 237,771.72, 328,040.92 and 135,723.58

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Solution

The fourth proportional to 237,771.72, 328,040.92 and 135,723.58 is: 187,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,771.72 : 328,040.92 = 135,723.58 : x
  2. Step 2: Convert to fraction form
    237,771.72/328,040.92 = 135,723.58/x
  3. Step 3: Cross multiply
    237,771.72x = 328,040.92 × 135,723.58
  4. Step 4: Simplify right side
    237,771.72x = 44,522,888,048.89
  5. Step 5: Solve for x
    x = 44,522,888,048.89/237,771.72
  6. Step 6: Final answer
    x = 187,250.56

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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.