Home / 627,761.40-941,569.20-178,551.60

Finding the Fourth Proportional to 627,761.40, 941,569.20 and 178,551.60

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Solution

The fourth proportional to 627,761.40, 941,569.20 and 178,551.60 is: 267,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,761.40 : 941,569.20 = 178,551.60 : x
  2. Step 2: Convert to fraction form
    627,761.40/941,569.20 = 178,551.60/x
  3. Step 3: Cross multiply
    627,761.40x = 941,569.20 × 178,551.60
  4. Step 4: Simplify right side
    627,761.40x = 168,118,687,170.72
  5. Step 5: Solve for x
    x = 168,118,687,170.72/627,761.40
  6. Step 6: Final answer
    x = 267,806.67

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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.