Home / 871,173.91-1,306,758.13-231,542.02

Finding the Fourth Proportional to 871,173.91, 1,306,758.13 and 231,542.02

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Solution

The fourth proportional to 871,173.91, 1,306,758.13 and 231,542.02 is: 347,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,173.91 : 1,306,758.13 = 231,542.02 : x
  2. Step 2: Convert to fraction form
    871,173.91/1,306,758.13 = 231,542.02/x
  3. Step 3: Cross multiply
    871,173.91x = 1,306,758.13 × 231,542.02
  4. Step 4: Simplify right side
    871,173.91x = 302,569,414,776.55
  5. Step 5: Solve for x
    x = 302,569,414,776.55/871,173.91
  6. Step 6: Final answer
    x = 347,312.30

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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.