Home / 305,869.86-422,108.07-169,897.29

Finding the Fourth Proportional to 305,869.86, 422,108.07 and 169,897.29

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Solution

The fourth proportional to 305,869.86, 422,108.07 and 169,897.29 is: 234,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,869.86 : 422,108.07 = 169,897.29 : x
  2. Step 2: Convert to fraction form
    305,869.86/422,108.07 = 169,897.29/x
  3. Step 3: Cross multiply
    305,869.86x = 422,108.07 × 169,897.29
  4. Step 4: Simplify right side
    305,869.86x = 71,715,017,180.13
  5. Step 5: Solve for x
    x = 71,715,017,180.13/305,869.86
  6. Step 6: Final answer
    x = 234,462.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.