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Finding the Fourth Proportional to 413,031.40, 619,401.30 and 146,800.60

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Solution

The fourth proportional to 413,031.40, 619,401.30 and 146,800.60 is: 220,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,031.40 : 619,401.30 = 146,800.60 : x
  2. Step 2: Convert to fraction form
    413,031.40/619,401.30 = 146,800.60/x
  3. Step 3: Cross multiply
    413,031.40x = 619,401.30 × 146,800.60
  4. Step 4: Simplify right side
    413,031.40x = 90,928,482,480.78
  5. Step 5: Solve for x
    x = 90,928,482,480.78/413,031.40
  6. Step 6: Final answer
    x = 220,149.08

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