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Finding the Fourth Proportional to 318,695.34, 478,042.92 and 97,079.34

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Solution

The fourth proportional to 318,695.34, 478,042.92 and 97,079.34 is: 145,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,695.34 : 478,042.92 = 97,079.34 : x
  2. Step 2: Convert to fraction form
    318,695.34/478,042.92 = 97,079.34/x
  3. Step 3: Cross multiply
    318,695.34x = 478,042.92 × 97,079.34
  4. Step 4: Simplify right side
    318,695.34x = 46,408,091,165.27
  5. Step 5: Solve for x
    x = 46,408,091,165.27/318,695.34
  6. Step 6: Final answer
    x = 145,618.98

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