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Finding the Fourth Proportional to 375,203.27, 517,776.57 and 203,117.37

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Solution

The fourth proportional to 375,203.27, 517,776.57 and 203,117.37 is: 280,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,203.27 : 517,776.57 = 203,117.37 : x
  2. Step 2: Convert to fraction form
    375,203.27/517,776.57 = 203,117.37/x
  3. Step 3: Cross multiply
    375,203.27x = 517,776.57 × 203,117.37
  4. Step 4: Simplify right side
    375,203.27x = 105,169,415,146.02
  5. Step 5: Solve for x
    x = 105,169,415,146.02/375,203.27
  6. Step 6: Final answer
    x = 280,299.84

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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.