Home / 228,865.41-343,313.24-79,120.17

Finding the Fourth Proportional to 228,865.41, 343,313.24 and 79,120.17

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Solution

The fourth proportional to 228,865.41, 343,313.24 and 79,120.17 is: 118,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,865.41 : 343,313.24 = 79,120.17 : x
  2. Step 2: Convert to fraction form
    228,865.41/343,313.24 = 79,120.17/x
  3. Step 3: Cross multiply
    228,865.41x = 343,313.24 × 79,120.17
  4. Step 4: Simplify right side
    228,865.41x = 27,163,001,516.45
  5. Step 5: Solve for x
    x = 27,163,001,516.45/228,865.41
  6. Step 6: Final answer
    x = 118,685.48

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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.