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Finding the Fourth Proportional to 439,539.96, 659,335.62 and 169,669.51

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Solution

The fourth proportional to 439,539.96, 659,335.62 and 169,669.51 is: 254,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,539.96 : 659,335.62 = 169,669.51 : x
  2. Step 2: Convert to fraction form
    439,539.96/659,335.62 = 169,669.51/x
  3. Step 3: Cross multiply
    439,539.96x = 659,335.62 × 169,669.51
  4. Step 4: Simplify right side
    439,539.96x = 111,869,151,936.05
  5. Step 5: Solve for x
    x = 111,869,151,936.05/439,539.96
  6. Step 6: Final answer
    x = 254,514.18

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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.