Home / 660,772.10-991,195.83-187,420.26

Finding the Fourth Proportional to 660,772.10, 991,195.83 and 187,420.26

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Solution

The fourth proportional to 660,772.10, 991,195.83 and 187,420.26 is: 281,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,772.10 : 991,195.83 = 187,420.26 : x
  2. Step 2: Convert to fraction form
    660,772.10/991,195.83 = 187,420.26/x
  3. Step 3: Cross multiply
    660,772.10x = 991,195.83 × 187,420.26
  4. Step 4: Simplify right side
    660,772.10x = 185,770,180,169.52
  5. Step 5: Solve for x
    x = 185,770,180,169.52/660,772.10
  6. Step 6: Final answer
    x = 281,141.08

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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.