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Finding the Fourth Proportional to 228,500.67, 342,821.07 and 102,247.20

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Solution

The fourth proportional to 228,500.67, 342,821.07 and 102,247.20 is: 153,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,500.67 : 342,821.07 = 102,247.20 : x
  2. Step 2: Convert to fraction form
    228,500.67/342,821.07 = 102,247.20/x
  3. Step 3: Cross multiply
    228,500.67x = 342,821.07 × 102,247.20
  4. Step 4: Simplify right side
    228,500.67x = 35,052,494,508.50
  5. Step 5: Solve for x
    x = 35,052,494,508.50/228,500.67
  6. Step 6: Final answer
    x = 153,402.15

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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.