Home / 513,167.50-708,148.87-280,590.18

Finding the Fourth Proportional to 513,167.50, 708,148.87 and 280,590.18

Calculator

Solution

The fourth proportional to 513,167.50, 708,148.87 and 280,590.18 is: 387,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,167.50 : 708,148.87 = 280,590.18 : x
  2. Step 2: Convert to fraction form
    513,167.50/708,148.87 = 280,590.18/x
  3. Step 3: Cross multiply
    513,167.50x = 708,148.87 × 280,590.18
  4. Step 4: Simplify right side
    513,167.50x = 198,699,618,900.10
  5. Step 5: Solve for x
    x = 198,699,618,900.10/513,167.50
  6. Step 6: Final answer
    x = 387,202.27

Related Problems

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.