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Finding the Fourth Proportional to 408,068.30, 612,102.45 and 248,401.10

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Solution

The fourth proportional to 408,068.30, 612,102.45 and 248,401.10 is: 372,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,068.30 : 612,102.45 = 248,401.10 : x
  2. Step 2: Convert to fraction form
    408,068.30/612,102.45 = 248,401.10/x
  3. Step 3: Cross multiply
    408,068.30x = 612,102.45 × 248,401.10
  4. Step 4: Simplify right side
    408,068.30x = 152,046,921,892.70
  5. Step 5: Solve for x
    x = 152,046,921,892.70/408,068.30
  6. Step 6: Final answer
    x = 372,601.65

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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.