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Finding the Fourth Proportional to 154,646.20, 232,042.20 and 115,280.20

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Solution

The fourth proportional to 154,646.20, 232,042.20 and 115,280.20 is: 172,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,646.20 : 232,042.20 = 115,280.20 : x
  2. Step 2: Convert to fraction form
    154,646.20/232,042.20 = 115,280.20/x
  3. Step 3: Cross multiply
    154,646.20x = 232,042.20 × 115,280.20
  4. Step 4: Simplify right side
    154,646.20x = 26,749,871,224.44
  5. Step 5: Solve for x
    x = 26,749,871,224.44/154,646.20
  6. Step 6: Final answer
    x = 172,974.64

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1.5x scale

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.