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Finding the Fourth Proportional to 383,690.40, 575,794.80 and 250,245.60

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Solution

The fourth proportional to 383,690.40, 575,794.80 and 250,245.60 is: 375,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,690.40 : 575,794.80 = 250,245.60 : x
  2. Step 2: Convert to fraction form
    383,690.40/575,794.80 = 250,245.60/x
  3. Step 3: Cross multiply
    383,690.40x = 575,794.80 × 250,245.60
  4. Step 4: Simplify right side
    383,690.40x = 144,090,115,202.88
  5. Step 5: Solve for x
    x = 144,090,115,202.88/383,690.40
  6. Step 6: Final answer
    x = 375,537.45

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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.