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Finding the Fourth Proportional to 489,151.35, 733,777.30 and 169,302.70

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Solution

The fourth proportional to 489,151.35, 733,777.30 and 169,302.70 is: 253,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,151.35 : 733,777.30 = 169,302.70 : x
  2. Step 2: Convert to fraction form
    489,151.35/733,777.30 = 169,302.70/x
  3. Step 3: Cross multiply
    489,151.35x = 733,777.30 × 169,302.70
  4. Step 4: Simplify right side
    489,151.35x = 124,230,480,725.60
  5. Step 5: Solve for x
    x = 124,230,480,725.60/489,151.35
  6. Step 6: Final answer
    x = 253,971.46

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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.