Home / 317,820.08-438,615.24-196,985.12

Finding the Fourth Proportional to 317,820.08, 438,615.24 and 196,985.12

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Solution

The fourth proportional to 317,820.08, 438,615.24 and 196,985.12 is: 271,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,820.08 : 438,615.24 = 196,985.12 : x
  2. Step 2: Convert to fraction form
    317,820.08/438,615.24 = 196,985.12/x
  3. Step 3: Cross multiply
    317,820.08x = 438,615.24 × 196,985.12
  4. Step 4: Simplify right side
    317,820.08x = 86,400,675,685.23
  5. Step 5: Solve for x
    x = 86,400,675,685.23/317,820.08
  6. Step 6: Final answer
    x = 271,854.05

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