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Finding the Fourth Proportional to 329,394.42, 493,868.07 and 104,687.46

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Solution

The fourth proportional to 329,394.42, 493,868.07 and 104,687.46 is: 156,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,394.42 : 493,868.07 = 104,687.46 : x
  2. Step 2: Convert to fraction form
    329,394.42/493,868.07 = 104,687.46/x
  3. Step 3: Cross multiply
    329,394.42x = 493,868.07 × 104,687.46
  4. Step 4: Simplify right side
    329,394.42x = 51,701,793,823.40
  5. Step 5: Solve for x
    x = 51,701,793,823.40/329,394.42
  6. Step 6: Final answer
    x = 156,960.14

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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.