Home / 228,909.20-343,363.80-71,153.60

Finding the Fourth Proportional to 228,909.20, 343,363.80 and 71,153.60

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Solution

The fourth proportional to 228,909.20, 343,363.80 and 71,153.60 is: 106,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,909.20 : 343,363.80 = 71,153.60 : x
  2. Step 2: Convert to fraction form
    228,909.20/343,363.80 = 71,153.60/x
  3. Step 3: Cross multiply
    228,909.20x = 343,363.80 × 71,153.60
  4. Step 4: Simplify right side
    228,909.20x = 24,431,570,479.68
  5. Step 5: Solve for x
    x = 24,431,570,479.68/228,909.20
  6. Step 6: Final answer
    x = 106,730.40

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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.