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Finding the Fourth Proportional to 369,615.40, 554,423.10 and 132,965.80

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Solution

The fourth proportional to 369,615.40, 554,423.10 and 132,965.80 is: 199,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,615.40 : 554,423.10 = 132,965.80 : x
  2. Step 2: Convert to fraction form
    369,615.40/554,423.10 = 132,965.80/x
  3. Step 3: Cross multiply
    369,615.40x = 554,423.10 × 132,965.80
  4. Step 4: Simplify right side
    369,615.40x = 73,719,311,029.98
  5. Step 5: Solve for x
    x = 73,719,311,029.98/369,615.40
  6. Step 6: Final answer
    x = 199,448.70

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