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Finding the Fourth Proportional to 179,600, 269,401.35 and 79,733.35

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Solution

The fourth proportional to 179,600, 269,401.35 and 79,733.35 is: 119,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,600 : 269,401.35 = 79,733.35 : x
  2. Step 2: Convert to fraction form
    179,600/269,401.35 = 79,733.35/x
  3. Step 3: Cross multiply
    179,600x = 269,401.35 × 79,733.35
  4. Step 4: Simplify right side
    179,600x = 21,480,272,130.02
  5. Step 5: Solve for x
    x = 21,480,272,130.02/179,600
  6. Step 6: Final answer
    x = 119,600.62

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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.