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Finding the Fourth Proportional to 439,994.04, 660,107.70 and 159,552.60

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Solution

The fourth proportional to 439,994.04, 660,107.70 and 159,552.60 is: 239,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,994.04 : 660,107.70 = 159,552.60 : x
  2. Step 2: Convert to fraction form
    439,994.04/660,107.70 = 159,552.60/x
  3. Step 3: Cross multiply
    439,994.04x = 660,107.70 × 159,552.60
  4. Step 4: Simplify right side
    439,994.04x = 105,321,899,815.02
  5. Step 5: Solve for x
    x = 105,321,899,815.02/439,994.04
  6. Step 6: Final answer
    x = 239,371.20

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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.