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Finding the Fourth Proportional to 329,124.71, 493,704.16 and 104,502.74

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Solution

The fourth proportional to 329,124.71, 493,704.16 and 104,502.74 is: 156,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,124.71 : 493,704.16 = 104,502.74 : x
  2. Step 2: Convert to fraction form
    329,124.71/493,704.16 = 104,502.74/x
  3. Step 3: Cross multiply
    329,124.71x = 493,704.16 × 104,502.74
  4. Step 4: Simplify right side
    329,124.71x = 51,593,434,739.62
  5. Step 5: Solve for x
    x = 51,593,434,739.62/329,124.71
  6. Step 6: Final answer
    x = 156,759.53

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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.