Home / 428,314.44-591,065.10-237,326.16

Finding the Fourth Proportional to 428,314.44, 591,065.10 and 237,326.16

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Solution

The fourth proportional to 428,314.44, 591,065.10 and 237,326.16 is: 327,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,314.44 : 591,065.10 = 237,326.16 : x
  2. Step 2: Convert to fraction form
    428,314.44/591,065.10 = 237,326.16/x
  3. Step 3: Cross multiply
    428,314.44x = 591,065.10 × 237,326.16
  4. Step 4: Simplify right side
    428,314.44x = 140,275,210,493.02
  5. Step 5: Solve for x
    x = 140,275,210,493.02/428,314.44
  6. Step 6: Final answer
    x = 327,505.21

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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.