Home / 259,941.22-389,024.70-217,868.80

Finding the Fourth Proportional to 259,941.22, 389,024.70 and 217,868.80

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Solution

The fourth proportional to 259,941.22, 389,024.70 and 217,868.80 is: 326,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,941.22 : 389,024.70 = 217,868.80 : x
  2. Step 2: Convert to fraction form
    259,941.22/389,024.70 = 217,868.80/x
  3. Step 3: Cross multiply
    259,941.22x = 389,024.70 × 217,868.80
  4. Step 4: Simplify right side
    259,941.22x = 84,756,344,559.36
  5. Step 5: Solve for x
    x = 84,756,344,559.36/259,941.22
  6. Step 6: Final answer
    x = 326,059.66

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1.5x scale

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.