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Finding the Fourth Proportional to 350,630.40, 525,945.60 and 126,098.40

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Solution

The fourth proportional to 350,630.40, 525,945.60 and 126,098.40 is: 189,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,630.40 : 525,945.60 = 126,098.40 : x
  2. Step 2: Convert to fraction form
    350,630.40/525,945.60 = 126,098.40/x
  3. Step 3: Cross multiply
    350,630.40x = 525,945.60 × 126,098.40
  4. Step 4: Simplify right side
    350,630.40x = 66,320,898,647.04
  5. Step 5: Solve for x
    x = 66,320,898,647.04/350,630.40
  6. Step 6: Final answer
    x = 189,147.60

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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.