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Finding the Fourth Proportional to 383,660.40, 575,533.80 and 117,418.80

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Solution

The fourth proportional to 383,660.40, 575,533.80 and 117,418.80 is: 176,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,660.40 : 575,533.80 = 117,418.80 : x
  2. Step 2: Convert to fraction form
    383,660.40/575,533.80 = 117,418.80/x
  3. Step 3: Cross multiply
    383,660.40x = 575,533.80 × 117,418.80
  4. Step 4: Simplify right side
    383,660.40x = 67,578,488,155.44
  5. Step 5: Solve for x
    x = 67,578,488,155.44/383,660.40
  6. Step 6: Final answer
    x = 176,141.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.