Home / 318,298.20-439,260.72-175,067.43

Finding the Fourth Proportional to 318,298.20, 439,260.72 and 175,067.43

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Solution

The fourth proportional to 318,298.20, 439,260.72 and 175,067.43 is: 241,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,298.20 : 439,260.72 = 175,067.43 : x
  2. Step 2: Convert to fraction form
    318,298.20/439,260.72 = 175,067.43/x
  3. Step 3: Cross multiply
    318,298.20x = 439,260.72 × 175,067.43
  4. Step 4: Simplify right side
    318,298.20x = 76,900,245,350.35
  5. Step 5: Solve for x
    x = 76,900,245,350.35/318,298.20
  6. Step 6: Final answer
    x = 241,598.12

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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.