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Finding the Fourth Proportional to 397,365.10, 595,842.45 and 116,845.90

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Solution

The fourth proportional to 397,365.10, 595,842.45 and 116,845.90 is: 175,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,365.10 : 595,842.45 = 116,845.90 : x
  2. Step 2: Convert to fraction form
    397,365.10/595,842.45 = 116,845.90/x
  3. Step 3: Cross multiply
    397,365.10x = 595,842.45 × 116,845.90
  4. Step 4: Simplify right side
    397,365.10x = 69,621,747,328.46
  5. Step 5: Solve for x
    x = 69,621,747,328.46/397,365.10
  6. Step 6: Final answer
    x = 175,208.51

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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.