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Finding the Fourth Proportional to 340,564.02, 469,978.20 and 197,407.02

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Solution

The fourth proportional to 340,564.02, 469,978.20 and 197,407.02 is: 272,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,564.02 : 469,978.20 = 197,407.02 : x
  2. Step 2: Convert to fraction form
    340,564.02/469,978.20 = 197,407.02/x
  3. Step 3: Cross multiply
    340,564.02x = 469,978.20 × 197,407.02
  4. Step 4: Simplify right side
    340,564.02x = 92,776,995,926.96
  5. Step 5: Solve for x
    x = 92,776,995,926.96/340,564.02
  6. Step 6: Final answer
    x = 272,421.60

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