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Finding the Fourth Proportional to 314,873.48, 472,312.34 and 115,111.68

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Solution

The fourth proportional to 314,873.48, 472,312.34 and 115,111.68 is: 172,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,873.48 : 472,312.34 = 115,111.68 : x
  2. Step 2: Convert to fraction form
    314,873.48/472,312.34 = 115,111.68/x
  3. Step 3: Cross multiply
    314,873.48x = 472,312.34 × 115,111.68
  4. Step 4: Simplify right side
    314,873.48x = 54,368,666,942.13
  5. Step 5: Solve for x
    x = 54,368,666,942.13/314,873.48
  6. Step 6: Final answer
    x = 172,668.30

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