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Finding the Fourth Proportional to 339,091.68, 507,460.08 and 210,955.32

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Solution

The fourth proportional to 339,091.68, 507,460.08 and 210,955.32 is: 315,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,091.68 : 507,460.08 = 210,955.32 : x
  2. Step 2: Convert to fraction form
    339,091.68/507,460.08 = 210,955.32/x
  3. Step 3: Cross multiply
    339,091.68x = 507,460.08 × 210,955.32
  4. Step 4: Simplify right side
    339,091.68x = 107,051,403,563.63
  5. Step 5: Solve for x
    x = 107,051,403,563.63/339,091.68
  6. Step 6: Final answer
    x = 315,700.47

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