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Finding the Fourth Proportional to 445,859.72, 668,649.05 and 146,270.48

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Solution

The fourth proportional to 445,859.72, 668,649.05 and 146,270.48 is: 219,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,859.72 : 668,649.05 = 146,270.48 : x
  2. Step 2: Convert to fraction form
    445,859.72/668,649.05 = 146,270.48/x
  3. Step 3: Cross multiply
    445,859.72x = 668,649.05 × 146,270.48
  4. Step 4: Simplify right side
    445,859.72x = 97,803,617,495.04
  5. Step 5: Solve for x
    x = 97,803,617,495.04/445,859.72
  6. Step 6: Final answer
    x = 219,359.62

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