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Finding the Fourth Proportional to 340,416.48, 469,770.66 and 187,451.40

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Solution

The fourth proportional to 340,416.48, 469,770.66 and 187,451.40 is: 258,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,416.48 : 469,770.66 = 187,451.40 : x
  2. Step 2: Convert to fraction form
    340,416.48/469,770.66 = 187,451.40/x
  3. Step 3: Cross multiply
    340,416.48x = 469,770.66 × 187,451.40
  4. Step 4: Simplify right side
    340,416.48x = 88,059,167,895.92
  5. Step 5: Solve for x
    x = 88,059,167,895.92/340,416.48
  6. Step 6: Final answer
    x = 258,680.68

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