Home / 316,512.42-436,794.83-173,272.02

Finding the Fourth Proportional to 316,512.42, 436,794.83 and 173,272.02

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Solution

The fourth proportional to 316,512.42, 436,794.83 and 173,272.02 is: 239,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,512.42 : 436,794.83 = 173,272.02 : x
  2. Step 2: Convert to fraction form
    316,512.42/436,794.83 = 173,272.02/x
  3. Step 3: Cross multiply
    316,512.42x = 436,794.83 × 173,272.02
  4. Step 4: Simplify right side
    316,512.42x = 75,684,322,519.66
  5. Step 5: Solve for x
    x = 75,684,322,519.66/316,512.42
  6. Step 6: Final answer
    x = 239,119.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.