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Finding the Fourth Proportional to 371,092.67, 556,729.67 and 118,373.20

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Solution

The fourth proportional to 371,092.67, 556,729.67 and 118,373.20 is: 177,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,092.67 : 556,729.67 = 118,373.20 : x
  2. Step 2: Convert to fraction form
    371,092.67/556,729.67 = 118,373.20/x
  3. Step 3: Cross multiply
    371,092.67x = 556,729.67 × 118,373.20
  4. Step 4: Simplify right side
    371,092.67x = 65,901,870,589.15
  5. Step 5: Solve for x
    x = 65,901,870,589.15/371,092.67
  6. Step 6: Final answer
    x = 177,588.72

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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.