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Finding the Fourth Proportional to 377,383.50, 520,789.23 and 207,613.98

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Solution

The fourth proportional to 377,383.50, 520,789.23 and 207,613.98 is: 286,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,383.50 : 520,789.23 = 207,613.98 : x
  2. Step 2: Convert to fraction form
    377,383.50/520,789.23 = 207,613.98/x
  3. Step 3: Cross multiply
    377,383.50x = 520,789.23 × 207,613.98
  4. Step 4: Simplify right side
    377,383.50x = 108,123,124,781.44
  5. Step 5: Solve for x
    x = 108,123,124,781.44/377,383.50
  6. Step 6: Final answer
    x = 286,507.29

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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.