Home / 265,246.20-397,286.10-140,441.40

Finding the Fourth Proportional to 265,246.20, 397,286.10 and 140,441.40

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Solution

The fourth proportional to 265,246.20, 397,286.10 and 140,441.40 is: 210,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,246.20 : 397,286.10 = 140,441.40 : x
  2. Step 2: Convert to fraction form
    265,246.20/397,286.10 = 140,441.40/x
  3. Step 3: Cross multiply
    265,246.20x = 397,286.10 × 140,441.40
  4. Step 4: Simplify right side
    265,246.20x = 55,795,416,084.54
  5. Step 5: Solve for x
    x = 55,795,416,084.54/265,246.20
  6. Step 6: Final answer
    x = 210,353.31

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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.