Home / 259,491.15-389,528.33-200,587.95

Finding the Fourth Proportional to 259,491.15, 389,528.33 and 200,587.95

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Solution

The fourth proportional to 259,491.15, 389,528.33 and 200,587.95 is: 301,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,491.15 : 389,528.33 = 200,587.95 : x
  2. Step 2: Convert to fraction form
    259,491.15/389,528.33 = 200,587.95/x
  3. Step 3: Cross multiply
    259,491.15x = 389,528.33 × 200,587.95
  4. Step 4: Simplify right side
    259,491.15x = 78,134,688,178.68
  5. Step 5: Solve for x
    x = 78,134,688,178.68/259,491.15
  6. Step 6: Final answer
    x = 301,107.33

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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.