Home / 267,979.20-401,385.60-162,614.40

Finding the Fourth Proportional to 267,979.20, 401,385.60 and 162,614.40

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Solution

The fourth proportional to 267,979.20, 401,385.60 and 162,614.40 is: 243,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,979.20 : 401,385.60 = 162,614.40 : x
  2. Step 2: Convert to fraction form
    267,979.20/401,385.60 = 162,614.40/x
  3. Step 3: Cross multiply
    267,979.20x = 401,385.60 × 162,614.40
  4. Step 4: Simplify right side
    267,979.20x = 65,271,078,512.64
  5. Step 5: Solve for x
    x = 65,271,078,512.64/267,979.20
  6. Step 6: Final answer
    x = 243,567.70

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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.