Home / 338,432.46-507,648.69-172,337.10

Finding the Fourth Proportional to 338,432.46, 507,648.69 and 172,337.10

Calculator

Solution

The fourth proportional to 338,432.46, 507,648.69 and 172,337.10 is: 258,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,432.46 : 507,648.69 = 172,337.10 : x
  2. Step 2: Convert to fraction form
    338,432.46/507,648.69 = 172,337.10/x
  3. Step 3: Cross multiply
    338,432.46x = 507,648.69 × 172,337.10
  4. Step 4: Simplify right side
    338,432.46x = 87,486,703,053.40
  5. Step 5: Solve for x
    x = 87,486,703,053.40/338,432.46
  6. Step 6: Final answer
    x = 258,505.65

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.