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Finding the Fourth Proportional to 314,966.90, 434,656.40 and 171,729.34

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Solution

The fourth proportional to 314,966.90, 434,656.40 and 171,729.34 is: 236,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,966.90 : 434,656.40 = 171,729.34 : x
  2. Step 2: Convert to fraction form
    314,966.90/434,656.40 = 171,729.34/x
  3. Step 3: Cross multiply
    314,966.90x = 434,656.40 × 171,729.34
  4. Step 4: Simplify right side
    314,966.90x = 74,643,254,753.49
  5. Step 5: Solve for x
    x = 74,643,254,753.49/314,966.90
  6. Step 6: Final answer
    x = 236,987.61

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