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Finding the Fourth Proportional to 468,760.85, 703,401.87 and 228,877.68

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Solution

The fourth proportional to 468,760.85, 703,401.87 and 228,877.68 is: 343,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,760.85 : 703,401.87 = 228,877.68 : x
  2. Step 2: Convert to fraction form
    468,760.85/703,401.87 = 228,877.68/x
  3. Step 3: Cross multiply
    468,760.85x = 703,401.87 × 228,877.68
  4. Step 4: Simplify right side
    468,760.85x = 160,992,988,113.26
  5. Step 5: Solve for x
    x = 160,992,988,113.26/468,760.85
  6. Step 6: Final answer
    x = 343,443.76

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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.