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Finding the Fourth Proportional to 489,316.33, 733,798.39 and 169,381.27

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Solution

The fourth proportional to 489,316.33, 733,798.39 and 169,381.27 is: 254,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,316.33 : 733,798.39 = 169,381.27 : x
  2. Step 2: Convert to fraction form
    489,316.33/733,798.39 = 169,381.27/x
  3. Step 3: Cross multiply
    489,316.33x = 733,798.39 × 169,381.27
  4. Step 4: Simplify right side
    489,316.33x = 124,291,703,222.16
  5. Step 5: Solve for x
    x = 124,291,703,222.16/489,316.33
  6. Step 6: Final answer
    x = 254,010.94

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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.