Home / 228,938.20-343,432.90-71,165.40

Finding the Fourth Proportional to 228,938.20, 343,432.90 and 71,165.40

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Solution

The fourth proportional to 228,938.20, 343,432.90 and 71,165.40 is: 106,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,938.20 : 343,432.90 = 71,165.40 : x
  2. Step 2: Convert to fraction form
    228,938.20/343,432.90 = 71,165.40/x
  3. Step 3: Cross multiply
    228,938.20x = 343,432.90 × 71,165.40
  4. Step 4: Simplify right side
    228,938.20x = 24,440,539,701.66
  5. Step 5: Solve for x
    x = 24,440,539,701.66/228,938.20
  6. Step 6: Final answer
    x = 106,756.06

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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.