Home / 428,319.44-591,072.01-237,331.16

Finding the Fourth Proportional to 428,319.44, 591,072.01 and 237,331.16

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Solution

The fourth proportional to 428,319.44, 591,072.01 and 237,331.16 is: 327,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,319.44 : 591,072.01 = 237,331.16 : x
  2. Step 2: Convert to fraction form
    428,319.44/591,072.01 = 237,331.16/x
  3. Step 3: Cross multiply
    428,319.44x = 591,072.01 × 237,331.16
  4. Step 4: Simplify right side
    428,319.44x = 140,279,802,228.14
  5. Step 5: Solve for x
    x = 140,279,802,228.14/428,319.44
  6. Step 6: Final answer
    x = 327,512.11

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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.