Home / 318,439.73-439,447.62-175,208.69

Finding the Fourth Proportional to 318,439.73, 439,447.62 and 175,208.69

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Solution

The fourth proportional to 318,439.73, 439,447.62 and 175,208.69 is: 241,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,439.73 : 439,447.62 = 175,208.69 : x
  2. Step 2: Convert to fraction form
    318,439.73/439,447.62 = 175,208.69/x
  3. Step 3: Cross multiply
    318,439.73x = 439,447.62 × 175,208.69
  4. Step 4: Simplify right side
    318,439.73x = 76,995,039,626.58
  5. Step 5: Solve for x
    x = 76,995,039,626.58/318,439.73
  6. Step 6: Final answer
    x = 241,788.43

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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.