Home / 318,351.14-439,315.38-175,111.18

Finding the Fourth Proportional to 318,351.14, 439,315.38 and 175,111.18

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Solution

The fourth proportional to 318,351.14, 439,315.38 and 175,111.18 is: 241,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,351.14 : 439,315.38 = 175,111.18 : x
  2. Step 2: Convert to fraction form
    318,351.14/439,315.38 = 175,111.18/x
  3. Step 3: Cross multiply
    318,351.14x = 439,315.38 × 175,111.18
  4. Step 4: Simplify right side
    318,351.14x = 76,929,034,583.95
  5. Step 5: Solve for x
    x = 76,929,034,583.95/318,351.14
  6. Step 6: Final answer
    x = 241,648.37

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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.