Home / 228,830.20-343,270.90-71,057.40

Finding the Fourth Proportional to 228,830.20, 343,270.90 and 71,057.40

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Solution

The fourth proportional to 228,830.20, 343,270.90 and 71,057.40 is: 106,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,830.20 : 343,270.90 = 71,057.40 : x
  2. Step 2: Convert to fraction form
    228,830.20/343,270.90 = 71,057.40/x
  3. Step 3: Cross multiply
    228,830.20x = 343,270.90 × 71,057.40
  4. Step 4: Simplify right side
    228,830.20x = 24,391,937,649.66
  5. Step 5: Solve for x
    x = 24,391,937,649.66/228,830.20
  6. Step 6: Final answer
    x = 106,594.05

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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.