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Finding the Fourth Proportional to 375,251.40, 517,847.13 and 205,485.51

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Solution

The fourth proportional to 375,251.40, 517,847.13 and 205,485.51 is: 283,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,251.40 : 517,847.13 = 205,485.51 : x
  2. Step 2: Convert to fraction form
    375,251.40/517,847.13 = 205,485.51/x
  3. Step 3: Cross multiply
    375,251.40x = 517,847.13 × 205,485.51
  4. Step 4: Simplify right side
    375,251.40x = 106,410,081,610.09
  5. Step 5: Solve for x
    x = 106,410,081,610.09/375,251.40
  6. Step 6: Final answer
    x = 283,570.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.