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Finding the Fourth Proportional to 329,300.96, 493,894.20 and 92,587.46

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Solution

The fourth proportional to 329,300.96, 493,894.20 and 92,587.46 is: 138,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,300.96 : 493,894.20 = 92,587.46 : x
  2. Step 2: Convert to fraction form
    329,300.96/493,894.20 = 92,587.46/x
  3. Step 3: Cross multiply
    329,300.96x = 493,894.20 × 92,587.46
  4. Step 4: Simplify right side
    329,300.96x = 45,728,409,486.73
  5. Step 5: Solve for x
    x = 45,728,409,486.73/329,300.96
  6. Step 6: Final answer
    x = 138,865.10

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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.