Home / 228,276.06-342,460.79-78,496.90

Finding the Fourth Proportional to 228,276.06, 342,460.79 and 78,496.90

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Solution

The fourth proportional to 228,276.06, 342,460.79 and 78,496.90 is: 117,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,276.06 : 342,460.79 = 78,496.90 : x
  2. Step 2: Convert to fraction form
    228,276.06/342,460.79 = 78,496.90/x
  3. Step 3: Cross multiply
    228,276.06x = 342,460.79 × 78,496.90
  4. Step 4: Simplify right side
    228,276.06x = 26,882,109,708.24
  5. Step 5: Solve for x
    x = 26,882,109,708.24/228,276.06
  6. Step 6: Final answer
    x = 117,761.41

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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.