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Finding the Fourth Proportional to 384,148.05, 530,153.69 and 212,099.19

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Solution

The fourth proportional to 384,148.05, 530,153.69 and 212,099.19 is: 292,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,148.05 : 530,153.69 = 212,099.19 : x
  2. Step 2: Convert to fraction form
    384,148.05/530,153.69 = 212,099.19/x
  3. Step 3: Cross multiply
    384,148.05x = 530,153.69 × 212,099.19
  4. Step 4: Simplify right side
    384,148.05x = 112,445,167,164.02
  5. Step 5: Solve for x
    x = 112,445,167,164.02/384,148.05
  6. Step 6: Final answer
    x = 292,713.10

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