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Finding the Fourth Proportional to 383,910.88, 575,977 and 117,710.68

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Solution

The fourth proportional to 383,910.88, 575,977 and 117,710.68 is: 176,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,910.88 : 575,977 = 117,710.68 : x
  2. Step 2: Convert to fraction form
    383,910.88/575,977 = 117,710.68/x
  3. Step 3: Cross multiply
    383,910.88x = 575,977 × 117,710.68
  4. Step 4: Simplify right side
    383,910.88x = 67,798,644,334.36
  5. Step 5: Solve for x
    x = 67,798,644,334.36/383,910.88
  6. Step 6: Final answer
    x = 176,599.96

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Why These Related Problems?

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