Home / 331,559.24-497,342.28-265,419.86

Finding the Fourth Proportional to 331,559.24, 497,342.28 and 265,419.86

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Solution

The fourth proportional to 331,559.24, 497,342.28 and 265,419.86 is: 398,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,559.24 : 497,342.28 = 265,419.86 : x
  2. Step 2: Convert to fraction form
    331,559.24/497,342.28 = 265,419.86/x
  3. Step 3: Cross multiply
    331,559.24x = 497,342.28 × 265,419.86
  4. Step 4: Simplify right side
    331,559.24x = 132,004,518,329.68
  5. Step 5: Solve for x
    x = 132,004,518,329.68/331,559.24
  6. Step 6: Final answer
    x = 398,132.53

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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.