Home / 228,927.20-343,416.40-71,154.40

Finding the Fourth Proportional to 228,927.20, 343,416.40 and 71,154.40

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Solution

The fourth proportional to 228,927.20, 343,416.40 and 71,154.40 is: 106,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,927.20 : 343,416.40 = 71,154.40 : x
  2. Step 2: Convert to fraction form
    228,927.20/343,416.40 = 71,154.40/x
  3. Step 3: Cross multiply
    228,927.20x = 343,416.40 × 71,154.40
  4. Step 4: Simplify right side
    228,927.20x = 24,435,587,892.16
  5. Step 5: Solve for x
    x = 24,435,587,892.16/228,927.20
  6. Step 6: Final answer
    x = 106,739.56

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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.