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Finding the Fourth Proportional to 383,604.40, 575,579.40 and 183,847.60

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Solution

The fourth proportional to 383,604.40, 575,579.40 and 183,847.60 is: 275,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,604.40 : 575,579.40 = 183,847.60 : x
  2. Step 2: Convert to fraction form
    383,604.40/575,579.40 = 183,847.60/x
  3. Step 3: Cross multiply
    383,604.40x = 575,579.40 × 183,847.60
  4. Step 4: Simplify right side
    383,604.40x = 105,818,891,299.44
  5. Step 5: Solve for x
    x = 105,818,891,299.44/383,604.40
  6. Step 6: Final answer
    x = 275,854.22

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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.