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Finding the Fourth Proportional to 442,221.77, 662,010.59 and 270,903.80

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Solution

The fourth proportional to 442,221.77, 662,010.59 and 270,903.80 is: 405,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,221.77 : 662,010.59 = 270,903.80 : x
  2. Step 2: Convert to fraction form
    442,221.77/662,010.59 = 270,903.80/x
  3. Step 3: Cross multiply
    442,221.77x = 662,010.59 × 270,903.80
  4. Step 4: Simplify right side
    442,221.77x = 179,341,179,806.67
  5. Step 5: Solve for x
    x = 179,341,179,806.67/442,221.77
  6. Step 6: Final answer
    x = 405,545.80

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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.