Home / 259,470.07-389,176.14-69,949.31

Finding the Fourth Proportional to 259,470.07, 389,176.14 and 69,949.31

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Solution

The fourth proportional to 259,470.07, 389,176.14 and 69,949.31 is: 104,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,470.07 : 389,176.14 = 69,949.31 : x
  2. Step 2: Convert to fraction form
    259,470.07/389,176.14 = 69,949.31/x
  3. Step 3: Cross multiply
    259,470.07x = 389,176.14 × 69,949.31
  4. Step 4: Simplify right side
    259,470.07x = 27,222,600,777.89
  5. Step 5: Solve for x
    x = 27,222,600,777.89/259,470.07
  6. Step 6: Final answer
    x = 104,916.15

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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.