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Finding the Fourth Proportional to 298,876.20, 449,189.10 and 293,627.40

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Solution

The fourth proportional to 298,876.20, 449,189.10 and 293,627.40 is: 441,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,876.20 : 449,189.10 = 293,627.40 : x
  2. Step 2: Convert to fraction form
    298,876.20/449,189.10 = 293,627.40/x
  3. Step 3: Cross multiply
    298,876.20x = 449,189.10 × 293,627.40
  4. Step 4: Simplify right side
    298,876.20x = 131,894,227,541.34
  5. Step 5: Solve for x
    x = 131,894,227,541.34/298,876.20
  6. Step 6: Final answer
    x = 441,300.54

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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.