Home / 265,289.07-397,949.19-75,734.87

Finding the Fourth Proportional to 265,289.07, 397,949.19 and 75,734.87

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Solution

The fourth proportional to 265,289.07, 397,949.19 and 75,734.87 is: 113,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,289.07 : 397,949.19 = 75,734.87 : x
  2. Step 2: Convert to fraction form
    265,289.07/397,949.19 = 75,734.87/x
  3. Step 3: Cross multiply
    265,289.07x = 397,949.19 × 75,734.87
  4. Step 4: Simplify right side
    265,289.07x = 30,138,627,897.50
  5. Step 5: Solve for x
    x = 30,138,627,897.50/265,289.07
  6. Step 6: Final answer
    x = 113,606.74

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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.