Home / 237,272.28-355,939.74-87,617.76

Finding the Fourth Proportional to 237,272.28, 355,939.74 and 87,617.76

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Solution

The fourth proportional to 237,272.28, 355,939.74 and 87,617.76 is: 131,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,272.28 : 355,939.74 = 87,617.76 : x
  2. Step 2: Convert to fraction form
    237,272.28/355,939.74 = 87,617.76/x
  3. Step 3: Cross multiply
    237,272.28x = 355,939.74 × 87,617.76
  4. Step 4: Simplify right side
    237,272.28x = 31,186,642,713.78
  5. Step 5: Solve for x
    x = 31,186,642,713.78/237,272.28
  6. Step 6: Final answer
    x = 131,438.21

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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.