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Finding the Fourth Proportional to 375,183.38, 563,078.52 and 290,743.31

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Solution

The fourth proportional to 375,183.38, 563,078.52 and 290,743.31 is: 436,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,183.38 : 563,078.52 = 290,743.31 : x
  2. Step 2: Convert to fraction form
    375,183.38/563,078.52 = 290,743.31/x
  3. Step 3: Cross multiply
    375,183.38x = 563,078.52 × 290,743.31
  4. Step 4: Simplify right side
    375,183.38x = 163,711,314,102.40
  5. Step 5: Solve for x
    x = 163,711,314,102.40/375,183.38
  6. Step 6: Final answer
    x = 436,350.12

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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.