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Finding the Fourth Proportional to 448,115.70, 618,392.16 and 244,169.04

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Solution

The fourth proportional to 448,115.70, 618,392.16 and 244,169.04 is: 336,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,115.70 : 618,392.16 = 244,169.04 : x
  2. Step 2: Convert to fraction form
    448,115.70/618,392.16 = 244,169.04/x
  3. Step 3: Cross multiply
    448,115.70x = 618,392.16 × 244,169.04
  4. Step 4: Simplify right side
    448,115.70x = 150,992,220,050.73
  5. Step 5: Solve for x
    x = 150,992,220,050.73/448,115.70
  6. Step 6: Final answer
    x = 336,949.19

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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.