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Finding the Fourth Proportional to 228,002.30, 342,003.45 and 151,894.70

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Solution

The fourth proportional to 228,002.30, 342,003.45 and 151,894.70 is: 227,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,002.30 : 342,003.45 = 151,894.70 : x
  2. Step 2: Convert to fraction form
    228,002.30/342,003.45 = 151,894.70/x
  3. Step 3: Cross multiply
    228,002.30x = 342,003.45 × 151,894.70
  4. Step 4: Simplify right side
    228,002.30x = 51,948,511,436.72
  5. Step 5: Solve for x
    x = 51,948,511,436.72/228,002.30
  6. Step 6: Final answer
    x = 227,842.05

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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.