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Finding the Fourth Proportional to 250,618.26, 375,943.77 and 73,110.42

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Solution

The fourth proportional to 250,618.26, 375,943.77 and 73,110.42 is: 109,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,618.26 : 375,943.77 = 73,110.42 : x
  2. Step 2: Convert to fraction form
    250,618.26/375,943.77 = 73,110.42/x
  3. Step 3: Cross multiply
    250,618.26x = 375,943.77 × 73,110.42
  4. Step 4: Simplify right side
    250,618.26x = 27,485,406,921.08
  5. Step 5: Solve for x
    x = 27,485,406,921.08/250,618.26
  6. Step 6: Final answer
    x = 109,670.41

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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.