Home / 268,230.30-402,345.45-135,059.10

Finding the Fourth Proportional to 268,230.30, 402,345.45 and 135,059.10

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Solution

The fourth proportional to 268,230.30, 402,345.45 and 135,059.10 is: 202,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,230.30 : 402,345.45 = 135,059.10 : x
  2. Step 2: Convert to fraction form
    268,230.30/402,345.45 = 135,059.10/x
  3. Step 3: Cross multiply
    268,230.30x = 402,345.45 × 135,059.10
  4. Step 4: Simplify right side
    268,230.30x = 54,340,414,366.10
  5. Step 5: Solve for x
    x = 54,340,414,366.10/268,230.30
  6. Step 6: Final answer
    x = 202,588.65

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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.