Home / 228,801.35-343,219.57-76,999.17

Finding the Fourth Proportional to 228,801.35, 343,219.57 and 76,999.17

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Solution

The fourth proportional to 228,801.35, 343,219.57 and 76,999.17 is: 115,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,801.35 : 343,219.57 = 76,999.17 : x
  2. Step 2: Convert to fraction form
    228,801.35/343,219.57 = 76,999.17/x
  3. Step 3: Cross multiply
    228,801.35x = 343,219.57 × 76,999.17
  4. Step 4: Simplify right side
    228,801.35x = 26,427,621,632.76
  5. Step 5: Solve for x
    x = 26,427,621,632.76/228,801.35
  6. Step 6: Final answer
    x = 115,504.66

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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.