Home / 448,351.20-618,723.92-247,147.36

Finding the Fourth Proportional to 448,351.20, 618,723.92 and 247,147.36

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Solution

The fourth proportional to 448,351.20, 618,723.92 and 247,147.36 is: 341,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,351.20 : 618,723.92 = 247,147.36 : x
  2. Step 2: Convert to fraction form
    448,351.20/618,723.92 = 247,147.36/x
  3. Step 3: Cross multiply
    448,351.20x = 618,723.92 × 247,147.36
  4. Step 4: Simplify right side
    448,351.20x = 152,915,983,396.85
  5. Step 5: Solve for x
    x = 152,915,983,396.85/448,351.20
  6. Step 6: Final answer
    x = 341,062.95

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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.