Home / 266,869.13-368,243.03-159,416.35

Finding the Fourth Proportional to 266,869.13, 368,243.03 and 159,416.35

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Solution

The fourth proportional to 266,869.13, 368,243.03 and 159,416.35 is: 219,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,869.13 : 368,243.03 = 159,416.35 : x
  2. Step 2: Convert to fraction form
    266,869.13/368,243.03 = 159,416.35/x
  3. Step 3: Cross multiply
    266,869.13x = 368,243.03 × 159,416.35
  4. Step 4: Simplify right side
    266,869.13x = 58,703,958,037.85
  5. Step 5: Solve for x
    x = 58,703,958,037.85/266,869.13
  6. Step 6: Final answer
    x = 219,972.84

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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.