Home / 318,397.32-439,370.97-175,134.24

Finding the Fourth Proportional to 318,397.32, 439,370.97 and 175,134.24

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Solution

The fourth proportional to 318,397.32, 439,370.97 and 175,134.24 is: 241,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,397.32 : 439,370.97 = 175,134.24 : x
  2. Step 2: Convert to fraction form
    318,397.32/439,370.97 = 175,134.24/x
  3. Step 3: Cross multiply
    318,397.32x = 439,370.97 × 175,134.24
  4. Step 4: Simplify right side
    318,397.32x = 76,948,900,909.01
  5. Step 5: Solve for x
    x = 76,948,900,909.01/318,397.32
  6. Step 6: Final answer
    x = 241,675.72

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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.