Home / 320,823.56-482,107.72-171,169.58

Finding the Fourth Proportional to 320,823.56, 482,107.72 and 171,169.58

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Solution

The fourth proportional to 320,823.56, 482,107.72 and 171,169.58 is: 257,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,823.56 : 482,107.72 = 171,169.58 : x
  2. Step 2: Convert to fraction form
    320,823.56/482,107.72 = 171,169.58/x
  3. Step 3: Cross multiply
    320,823.56x = 482,107.72 × 171,169.58
  4. Step 4: Simplify right side
    320,823.56x = 82,522,175,947.16
  5. Step 5: Solve for x
    x = 82,522,175,947.16/320,823.56
  6. Step 6: Final answer
    x = 257,219.81

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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.