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Finding the Fourth Proportional to 319,031.34, 440,259.68 and 181,209.30

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Solution

The fourth proportional to 319,031.34, 440,259.68 and 181,209.30 is: 250,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,031.34 : 440,259.68 = 181,209.30 : x
  2. Step 2: Convert to fraction form
    319,031.34/440,259.68 = 181,209.30/x
  3. Step 3: Cross multiply
    319,031.34x = 440,259.68 × 181,209.30
  4. Step 4: Simplify right side
    319,031.34x = 79,779,148,884.05
  5. Step 5: Solve for x
    x = 79,779,148,884.05/319,031.34
  6. Step 6: Final answer
    x = 250,066.81

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