Home / 428,313.20-591,071.64-237,338.96

Finding the Fourth Proportional to 428,313.20, 591,071.64 and 237,338.96

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Solution

The fourth proportional to 428,313.20, 591,071.64 and 237,338.96 is: 327,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,313.20 : 591,071.64 = 237,338.96 : x
  2. Step 2: Convert to fraction form
    428,313.20/591,071.64 = 237,338.96/x
  3. Step 3: Cross multiply
    428,313.20x = 591,071.64 × 237,338.96
  4. Step 4: Simplify right side
    428,313.20x = 140,284,328,323.09
  5. Step 5: Solve for x
    x = 140,284,328,323.09/428,313.20
  6. Step 6: Final answer
    x = 327,527.45

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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.