Home / 439,976.34-659,966.94-159,486.30

Finding the Fourth Proportional to 439,976.34, 659,966.94 and 159,486.30

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Solution

The fourth proportional to 439,976.34, 659,966.94 and 159,486.30 is: 239,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,976.34 : 659,966.94 = 159,486.30 : x
  2. Step 2: Convert to fraction form
    439,976.34/659,966.94 = 159,486.30/x
  3. Step 3: Cross multiply
    439,976.34x = 659,966.94 × 159,486.30
  4. Step 4: Simplify right side
    439,976.34x = 105,255,685,382.92
  5. Step 5: Solve for x
    x = 105,255,685,382.92/439,976.34
  6. Step 6: Final answer
    x = 239,230.33

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1.5x scale

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.