Home / 258,948.27-388,471.41-101,166.75

Finding the Fourth Proportional to 258,948.27, 388,471.41 and 101,166.75

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Solution

The fourth proportional to 258,948.27, 388,471.41 and 101,166.75 is: 151,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,948.27 : 388,471.41 = 101,166.75 : x
  2. Step 2: Convert to fraction form
    258,948.27/388,471.41 = 101,166.75/x
  3. Step 3: Cross multiply
    258,948.27x = 388,471.41 × 101,166.75
  4. Step 4: Simplify right side
    258,948.27x = 39,300,390,017.62
  5. Step 5: Solve for x
    x = 39,300,390,017.62/258,948.27
  6. Step 6: Final answer
    x = 151,769.27

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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.