Home / 316,721.28-437,074.08-173,481.12

Finding the Fourth Proportional to 316,721.28, 437,074.08 and 173,481.12

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Solution

The fourth proportional to 316,721.28, 437,074.08 and 173,481.12 is: 239,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,721.28 : 437,074.08 = 173,481.12 : x
  2. Step 2: Convert to fraction form
    316,721.28/437,074.08 = 173,481.12/x
  3. Step 3: Cross multiply
    316,721.28x = 437,074.08 × 173,481.12
  4. Step 4: Simplify right side
    316,721.28x = 75,824,100,921.37
  5. Step 5: Solve for x
    x = 75,824,100,921.37/316,721.28
  6. Step 6: Final answer
    x = 239,403.24

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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.