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Finding the Fourth Proportional to 448,215.92, 618,519.92 and 244,262.49

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Solution

The fourth proportional to 448,215.92, 618,519.92 and 244,262.49 is: 337,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,215.92 : 618,519.92 = 244,262.49 : x
  2. Step 2: Convert to fraction form
    448,215.92/618,519.92 = 244,262.49/x
  3. Step 3: Cross multiply
    448,215.92x = 618,519.92 × 244,262.49
  4. Step 4: Simplify right side
    448,215.92x = 151,081,215,773.80
  5. Step 5: Solve for x
    x = 151,081,215,773.80/448,215.92
  6. Step 6: Final answer
    x = 337,072.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.