Home / 259,733.11-389,569.42-70,184.47

Finding the Fourth Proportional to 259,733.11, 389,569.42 and 70,184.47

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Solution

The fourth proportional to 259,733.11, 389,569.42 and 70,184.47 is: 105,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,733.11 : 389,569.42 = 70,184.47 : x
  2. Step 2: Convert to fraction form
    259,733.11/389,569.42 = 70,184.47/x
  3. Step 3: Cross multiply
    259,733.11x = 389,569.42 × 70,184.47
  4. Step 4: Simplify right side
    259,733.11x = 27,341,723,270.91
  5. Step 5: Solve for x
    x = 27,341,723,270.91/259,733.11
  6. Step 6: Final answer
    x = 105,268.53

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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.