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Finding the Fourth Proportional to 229,407.44, 344,111.18 and 71,649.41

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Solution

The fourth proportional to 229,407.44, 344,111.18 and 71,649.41 is: 107,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,407.44 : 344,111.18 = 71,649.41 : x
  2. Step 2: Convert to fraction form
    229,407.44/344,111.18 = 71,649.41/x
  3. Step 3: Cross multiply
    229,407.44x = 344,111.18 × 71,649.41
  4. Step 4: Simplify right side
    229,407.44x = 24,655,360,942.60
  5. Step 5: Solve for x
    x = 24,655,360,942.60/229,407.44
  6. Step 6: Final answer
    x = 107,474.11

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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.