Home / 208,331.60-287,515.28-117,704.20

Finding the Fourth Proportional to 208,331.60, 287,515.28 and 117,704.20

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Solution

The fourth proportional to 208,331.60, 287,515.28 and 117,704.20 is: 162,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,331.60 : 287,515.28 = 117,704.20 : x
  2. Step 2: Convert to fraction form
    208,331.60/287,515.28 = 117,704.20/x
  3. Step 3: Cross multiply
    208,331.60x = 287,515.28 × 117,704.20
  4. Step 4: Simplify right side
    208,331.60x = 33,841,756,020.18
  5. Step 5: Solve for x
    x = 33,841,756,020.18/208,331.60
  6. Step 6: Final answer
    x = 162,441.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.