Home / 377,933.38-521,549.46-208,167.10

Finding the Fourth Proportional to 377,933.38, 521,549.46 and 208,167.10

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Solution

The fourth proportional to 377,933.38, 521,549.46 and 208,167.10 is: 287,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,933.38 : 521,549.46 = 208,167.10 : x
  2. Step 2: Convert to fraction form
    377,933.38/521,549.46 = 208,167.10/x
  3. Step 3: Cross multiply
    377,933.38x = 521,549.46 × 208,167.10
  4. Step 4: Simplify right side
    377,933.38x = 108,569,438,594.77
  5. Step 5: Solve for x
    x = 108,569,438,594.77/377,933.38
  6. Step 6: Final answer
    x = 287,271.37

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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.