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Finding the Fourth Proportional to 901,221.80, 1,352,053.82 and 270,135

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Solution

The fourth proportional to 901,221.80, 1,352,053.82 and 270,135 is: 405,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,221.80 : 1,352,053.82 = 270,135 : x
  2. Step 2: Convert to fraction form
    901,221.80/1,352,053.82 = 270,135/x
  3. Step 3: Cross multiply
    901,221.80x = 1,352,053.82 × 270,135
  4. Step 4: Simplify right side
    901,221.80x = 365,237,059,341.04
  5. Step 5: Solve for x
    x = 365,237,059,341.04/901,221.80
  6. Step 6: Final answer
    x = 405,268.78

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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.