Home / 428,332.96-591,086.58-234,738.30

Finding the Fourth Proportional to 428,332.96, 591,086.58 and 234,738.30

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Solution

The fourth proportional to 428,332.96, 591,086.58 and 234,738.30 is: 323,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,332.96 : 591,086.58 = 234,738.30 : x
  2. Step 2: Convert to fraction form
    428,332.96/591,086.58 = 234,738.30/x
  3. Step 3: Cross multiply
    428,332.96x = 591,086.58 × 234,738.30
  4. Step 4: Simplify right side
    428,332.96x = 138,750,661,598.72
  5. Step 5: Solve for x
    x = 138,750,661,598.72/428,332.96
  6. Step 6: Final answer
    x = 323,931.79

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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.