Home / 265,177.26-397,402.29-140,268.78

Finding the Fourth Proportional to 265,177.26, 397,402.29 and 140,268.78

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Solution

The fourth proportional to 265,177.26, 397,402.29 and 140,268.78 is: 210,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,177.26 : 397,402.29 = 140,268.78 : x
  2. Step 2: Convert to fraction form
    265,177.26/397,402.29 = 140,268.78/x
  3. Step 3: Cross multiply
    265,177.26x = 397,402.29 × 140,268.78
  4. Step 4: Simplify right side
    265,177.26x = 55,743,134,387.51
  5. Step 5: Solve for x
    x = 55,743,134,387.51/265,177.26
  6. Step 6: Final answer
    x = 210,210.84

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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.