Home / 318,311.82-439,282.85-175,085.19

Finding the Fourth Proportional to 318,311.82, 439,282.85 and 175,085.19

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Solution

The fourth proportional to 318,311.82, 439,282.85 and 175,085.19 is: 241,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,311.82 : 439,282.85 = 175,085.19 : x
  2. Step 2: Convert to fraction form
    318,311.82/439,282.85 = 175,085.19/x
  3. Step 3: Cross multiply
    318,311.82x = 439,282.85 × 175,085.19
  4. Step 4: Simplify right side
    318,311.82x = 76,911,920,380.57
  5. Step 5: Solve for x
    x = 76,911,920,380.57/318,311.82
  6. Step 6: Final answer
    x = 241,624.46

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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.