Home / 385,717.14-578,221.34-132,937.61

Finding the Fourth Proportional to 385,717.14, 578,221.34 and 132,937.61

Calculator

Solution

The fourth proportional to 385,717.14, 578,221.34 and 132,937.61 is: 199,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,717.14 : 578,221.34 = 132,937.61 : x
  2. Step 2: Convert to fraction form
    385,717.14/578,221.34 = 132,937.61/x
  3. Step 3: Cross multiply
    385,717.14x = 578,221.34 × 132,937.61
  4. Step 4: Simplify right side
    385,717.14x = 76,867,359,434.80
  5. Step 5: Solve for x
    x = 76,867,359,434.80/385,717.14
  6. Step 6: Final answer
    x = 199,284.27

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.