Home / 265,278.44-397,399.26-140,447.72

Finding the Fourth Proportional to 265,278.44, 397,399.26 and 140,447.72

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Solution

The fourth proportional to 265,278.44, 397,399.26 and 140,447.72 is: 210,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,278.44 : 397,399.26 = 140,447.72 : x
  2. Step 2: Convert to fraction form
    265,278.44/397,399.26 = 140,447.72/x
  3. Step 3: Cross multiply
    265,278.44x = 397,399.26 × 140,447.72
  4. Step 4: Simplify right side
    265,278.44x = 55,813,819,996.69
  5. Step 5: Solve for x
    x = 55,813,819,996.69/265,278.44
  6. Step 6: Final answer
    x = 210,397.12

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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.