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Finding the Fourth Proportional to 609,879.13, 914,871.55 and 160,596.43

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Solution

The fourth proportional to 609,879.13, 914,871.55 and 160,596.43 is: 240,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,879.13 : 914,871.55 = 160,596.43 : x
  2. Step 2: Convert to fraction form
    609,879.13/914,871.55 = 160,596.43/x
  3. Step 3: Cross multiply
    609,879.13x = 914,871.55 × 160,596.43
  4. Step 4: Simplify right side
    609,879.13x = 146,925,104,838.57
  5. Step 5: Solve for x
    x = 146,925,104,838.57/609,879.13
  6. Step 6: Final answer
    x = 240,908.56

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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.