Home / 259,733.40-389,600.10-243,002.85

Finding the Fourth Proportional to 259,733.40, 389,600.10 and 243,002.85

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Solution

The fourth proportional to 259,733.40, 389,600.10 and 243,002.85 is: 364,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,733.40 : 389,600.10 = 243,002.85 : x
  2. Step 2: Convert to fraction form
    259,733.40/389,600.10 = 243,002.85/x
  3. Step 3: Cross multiply
    259,733.40x = 389,600.10 × 243,002.85
  4. Step 4: Simplify right side
    259,733.40x = 94,673,934,660.29
  5. Step 5: Solve for x
    x = 94,673,934,660.29/259,733.40
  6. Step 6: Final answer
    x = 364,504.28

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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.