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Finding the Fourth Proportional to 383,612.40, 575,461.80 and 117,370.80

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Solution

The fourth proportional to 383,612.40, 575,461.80 and 117,370.80 is: 176,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,612.40 : 575,461.80 = 117,370.80 : x
  2. Step 2: Convert to fraction form
    383,612.40/575,461.80 = 117,370.80/x
  3. Step 3: Cross multiply
    383,612.40x = 575,461.80 × 117,370.80
  4. Step 4: Simplify right side
    383,612.40x = 67,542,411,835.44
  5. Step 5: Solve for x
    x = 67,542,411,835.44/383,612.40
  6. Step 6: Final answer
    x = 176,069.42

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