Home / 448,147.60-618,443.78-244,198.55

Finding the Fourth Proportional to 448,147.60, 618,443.78 and 244,198.55

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Solution

The fourth proportional to 448,147.60, 618,443.78 and 244,198.55 is: 336,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,147.60 : 618,443.78 = 244,198.55 : x
  2. Step 2: Convert to fraction form
    448,147.60/618,443.78 = 244,198.55/x
  3. Step 3: Cross multiply
    448,147.60x = 618,443.78 × 244,198.55
  4. Step 4: Simplify right side
    448,147.60x = 151,023,074,657.64
  5. Step 5: Solve for x
    x = 151,023,074,657.64/448,147.60
  6. Step 6: Final answer
    x = 336,994.05

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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.