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Finding the Fourth Proportional to 448,350, 618,723 and 247,150.32

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Solution

The fourth proportional to 448,350, 618,723 and 247,150.32 is: 341,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,350 : 618,723 = 247,150.32 : x
  2. Step 2: Convert to fraction form
    448,350/618,723 = 247,150.32/x
  3. Step 3: Cross multiply
    448,350x = 618,723 × 247,150.32
  4. Step 4: Simplify right side
    448,350x = 152,917,587,441.36
  5. Step 5: Solve for x
    x = 152,917,587,441.36/448,350
  6. Step 6: Final answer
    x = 341,067.44

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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.