Home / 274,957.29-412,436.07-75,279.33

Finding the Fourth Proportional to 274,957.29, 412,436.07 and 75,279.33

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Solution

The fourth proportional to 274,957.29, 412,436.07 and 75,279.33 is: 112,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,957.29 : 412,436.07 = 75,279.33 : x
  2. Step 2: Convert to fraction form
    274,957.29/412,436.07 = 75,279.33/x
  3. Step 3: Cross multiply
    274,957.29x = 412,436.07 × 75,279.33
  4. Step 4: Simplify right side
    274,957.29x = 31,047,911,017.43
  5. Step 5: Solve for x
    x = 31,047,911,017.43/274,957.29
  6. Step 6: Final answer
    x = 112,919.03

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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.