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Finding the Fourth Proportional to 350,040.40, 525,319.80 and 231,672.40

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Solution

The fourth proportional to 350,040.40, 525,319.80 and 231,672.40 is: 347,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,040.40 : 525,319.80 = 231,672.40 : x
  2. Step 2: Convert to fraction form
    350,040.40/525,319.80 = 231,672.40/x
  3. Step 3: Cross multiply
    350,040.40x = 525,319.80 × 231,672.40
  4. Step 4: Simplify right side
    350,040.40x = 121,702,098,833.52
  5. Step 5: Solve for x
    x = 121,702,098,833.52/350,040.40
  6. Step 6: Final answer
    x = 347,680.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.