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Finding the Fourth Proportional to 368,421.56, 551,909.18 and 191,044.52

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Solution

The fourth proportional to 368,421.56, 551,909.18 and 191,044.52 is: 286,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,421.56 : 551,909.18 = 191,044.52 : x
  2. Step 2: Convert to fraction form
    368,421.56/551,909.18 = 191,044.52/x
  3. Step 3: Cross multiply
    368,421.56x = 551,909.18 × 191,044.52
  4. Step 4: Simplify right side
    368,421.56x = 105,439,224,376.69
  5. Step 5: Solve for x
    x = 105,439,224,376.69/368,421.56
  6. Step 6: Final answer
    x = 286,191.79

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