Home / 268,206.13-402,329.80-76,077.27

Finding the Fourth Proportional to 268,206.13, 402,329.80 and 76,077.27

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Solution

The fourth proportional to 268,206.13, 402,329.80 and 76,077.27 is: 114,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,206.13 : 402,329.80 = 76,077.27 : x
  2. Step 2: Convert to fraction form
    268,206.13/402,329.80 = 76,077.27/x
  3. Step 3: Cross multiply
    268,206.13x = 402,329.80 × 76,077.27
  4. Step 4: Simplify right side
    268,206.13x = 30,608,154,069.33
  5. Step 5: Solve for x
    x = 30,608,154,069.33/268,206.13
  6. Step 6: Final answer
    x = 114,121.75

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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.