Home / 660,747.62-991,158.96-187,395.50

Finding the Fourth Proportional to 660,747.62, 991,158.96 and 187,395.50

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Solution

The fourth proportional to 660,747.62, 991,158.96 and 187,395.50 is: 281,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,747.62 : 991,158.96 = 187,395.50 : x
  2. Step 2: Convert to fraction form
    660,747.62/991,158.96 = 187,395.50/x
  3. Step 3: Cross multiply
    660,747.62x = 991,158.96 × 187,395.50
  4. Step 4: Simplify right side
    660,747.62x = 185,738,728,888.68
  5. Step 5: Solve for x
    x = 185,738,728,888.68/660,747.62
  6. Step 6: Final answer
    x = 281,103.89

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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.