Home / 391,948.12-587,948.92-155,290.44

Finding the Fourth Proportional to 391,948.12, 587,948.92 and 155,290.44

Calculator

Solution

The fourth proportional to 391,948.12, 587,948.92 and 155,290.44 is: 232,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,948.12 : 587,948.92 = 155,290.44 : x
  2. Step 2: Convert to fraction form
    391,948.12/587,948.92 = 155,290.44/x
  3. Step 3: Cross multiply
    391,948.12x = 587,948.92 × 155,290.44
  4. Step 4: Simplify right side
    391,948.12x = 91,302,846,484.32
  5. Step 5: Solve for x
    x = 91,302,846,484.32/391,948.12
  6. Step 6: Final answer
    x = 232,946.25

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.