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Finding the Fourth Proportional to 237,075.72, 327,170.18 and 135,099

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Solution

The fourth proportional to 237,075.72, 327,170.18 and 135,099 is: 186,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,075.72 : 327,170.18 = 135,099 : x
  2. Step 2: Convert to fraction form
    237,075.72/327,170.18 = 135,099/x
  3. Step 3: Cross multiply
    237,075.72x = 327,170.18 × 135,099
  4. Step 4: Simplify right side
    237,075.72x = 44,200,363,472.33
  5. Step 5: Solve for x
    x = 44,200,363,472.33/237,075.72
  6. Step 6: Final answer
    x = 186,439.86

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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.