Home / 428,336.47-591,104.33-237,349.86

Finding the Fourth Proportional to 428,336.47, 591,104.33 and 237,349.86

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Solution

The fourth proportional to 428,336.47, 591,104.33 and 237,349.86 is: 327,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,336.47 : 591,104.33 = 237,349.86 : x
  2. Step 2: Convert to fraction form
    428,336.47/591,104.33 = 237,349.86/x
  3. Step 3: Cross multiply
    428,336.47x = 591,104.33 × 237,349.86
  4. Step 4: Simplify right side
    428,336.47x = 140,298,532,117.62
  5. Step 5: Solve for x
    x = 140,298,532,117.62/428,336.47
  6. Step 6: Final answer
    x = 327,542.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.