Home / 439,727.60-659,137.80-239,625.20

Finding the Fourth Proportional to 439,727.60, 659,137.80 and 239,625.20

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Solution

The fourth proportional to 439,727.60, 659,137.80 and 239,625.20 is: 359,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,727.60 : 659,137.80 = 239,625.20 : x
  2. Step 2: Convert to fraction form
    439,727.60/659,137.80 = 239,625.20/x
  3. Step 3: Cross multiply
    439,727.60x = 659,137.80 × 239,625.20
  4. Step 4: Simplify right side
    439,727.60x = 157,946,027,152.56
  5. Step 5: Solve for x
    x = 157,946,027,152.56/439,727.60
  6. Step 6: Final answer
    x = 359,190.62

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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.