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Finding the Fourth Proportional to 471,919.20, 707,846.40 and 152,066.40

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Solution

The fourth proportional to 471,919.20, 707,846.40 and 152,066.40 is: 228,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,919.20 : 707,846.40 = 152,066.40 : x
  2. Step 2: Convert to fraction form
    471,919.20/707,846.40 = 152,066.40/x
  3. Step 3: Cross multiply
    471,919.20x = 707,846.40 × 152,066.40
  4. Step 4: Simplify right side
    471,919.20x = 107,639,653,800.96
  5. Step 5: Solve for x
    x = 107,639,653,800.96/471,919.20
  6. Step 6: Final answer
    x = 228,089.16

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