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Finding the Fourth Proportional to 375,329.87, 517,935.98 and 205,560.35

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Solution

The fourth proportional to 375,329.87, 517,935.98 and 205,560.35 is: 283,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,329.87 : 517,935.98 = 205,560.35 : x
  2. Step 2: Convert to fraction form
    375,329.87/517,935.98 = 205,560.35/x
  3. Step 3: Cross multiply
    375,329.87x = 517,935.98 × 205,560.35
  4. Step 4: Simplify right side
    375,329.87x = 106,467,100,298.59
  5. Step 5: Solve for x
    x = 106,467,100,298.59/375,329.87
  6. Step 6: Final answer
    x = 283,662.74

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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.