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Finding the Fourth Proportional to 329,068.41, 493,602.61 and 79,750.41

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Solution

The fourth proportional to 329,068.41, 493,602.61 and 79,750.41 is: 119,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,068.41 : 493,602.61 = 79,750.41 : x
  2. Step 2: Convert to fraction form
    329,068.41/493,602.61 = 79,750.41/x
  3. Step 3: Cross multiply
    329,068.41x = 493,602.61 × 79,750.41
  4. Step 4: Simplify right side
    329,068.41x = 39,365,008,623.72
  5. Step 5: Solve for x
    x = 39,365,008,623.72/329,068.41
  6. Step 6: Final answer
    x = 119,625.61

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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.