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Finding the Fourth Proportional to 251,570.25, 375,918.09 and 191,267.37

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Solution

The fourth proportional to 251,570.25, 375,918.09 and 191,267.37 is: 285,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,570.25 : 375,918.09 = 191,267.37 : x
  2. Step 2: Convert to fraction form
    251,570.25/375,918.09 = 191,267.37/x
  3. Step 3: Cross multiply
    251,570.25x = 375,918.09 × 191,267.37
  4. Step 4: Simplify right side
    251,570.25x = 71,900,864,409.72
  5. Step 5: Solve for x
    x = 71,900,864,409.72/251,570.25
  6. Step 6: Final answer
    x = 285,808.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.