Home / 317,629.28-438,335.28-181,675.52

Finding the Fourth Proportional to 317,629.28, 438,335.28 and 181,675.52

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Solution

The fourth proportional to 317,629.28, 438,335.28 and 181,675.52 is: 250,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,629.28 : 438,335.28 = 181,675.52 : x
  2. Step 2: Convert to fraction form
    317,629.28/438,335.28 = 181,675.52/x
  3. Step 3: Cross multiply
    317,629.28x = 438,335.28 × 181,675.52
  4. Step 4: Simplify right side
    317,629.28x = 79,634,789,928.35
  5. Step 5: Solve for x
    x = 79,634,789,928.35/317,629.28
  6. Step 6: Final answer
    x = 250,716.15

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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.