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Finding the Fourth Proportional to 298,974.30, 448,461.45 and 282,644.70

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Solution

The fourth proportional to 298,974.30, 448,461.45 and 282,644.70 is: 423,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,974.30 : 448,461.45 = 282,644.70 : x
  2. Step 2: Convert to fraction form
    298,974.30/448,461.45 = 282,644.70/x
  3. Step 3: Cross multiply
    298,974.30x = 448,461.45 × 282,644.70
  4. Step 4: Simplify right side
    298,974.30x = 126,755,251,996.82
  5. Step 5: Solve for x
    x = 126,755,251,996.82/298,974.30
  6. Step 6: Final answer
    x = 423,967.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.