Home / 318,540.04-439,575.66-175,299.88

Finding the Fourth Proportional to 318,540.04, 439,575.66 and 175,299.88

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Solution

The fourth proportional to 318,540.04, 439,575.66 and 175,299.88 is: 241,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,540.04 : 439,575.66 = 175,299.88 : x
  2. Step 2: Convert to fraction form
    318,540.04/439,575.66 = 175,299.88/x
  3. Step 3: Cross multiply
    318,540.04x = 439,575.66 × 175,299.88
  4. Step 4: Simplify right side
    318,540.04x = 77,057,560,448.92
  5. Step 5: Solve for x
    x = 77,057,560,448.92/318,540.04
  6. Step 6: Final answer
    x = 241,908.55

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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.