Home / 247,615.20-371,379.60-89,762.40

Finding the Fourth Proportional to 247,615.20, 371,379.60 and 89,762.40

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Solution

The fourth proportional to 247,615.20, 371,379.60 and 89,762.40 is: 134,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,615.20 : 371,379.60 = 89,762.40 : x
  2. Step 2: Convert to fraction form
    247,615.20/371,379.60 = 89,762.40/x
  3. Step 3: Cross multiply
    247,615.20x = 371,379.60 × 89,762.40
  4. Step 4: Simplify right side
    247,615.20x = 33,335,924,207.04
  5. Step 5: Solve for x
    x = 33,335,924,207.04/247,615.20
  6. Step 6: Final answer
    x = 134,627.94

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Why These Related Problems?

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