Home / 458,884.20-688,059-178,073.40

Finding the Fourth Proportional to 458,884.20, 688,059 and 178,073.40

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Solution

The fourth proportional to 458,884.20, 688,059 and 178,073.40 is: 267,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,884.20 : 688,059 = 178,073.40 : x
  2. Step 2: Convert to fraction form
    458,884.20/688,059 = 178,073.40/x
  3. Step 3: Cross multiply
    458,884.20x = 688,059 × 178,073.40
  4. Step 4: Simplify right side
    458,884.20x = 122,525,005,530.60
  5. Step 5: Solve for x
    x = 122,525,005,530.60/458,884.20
  6. Step 6: Final answer
    x = 267,006.37

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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.