Home / 377,933.86-521,548.68-208,167.98

Finding the Fourth Proportional to 377,933.86, 521,548.68 and 208,167.98

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Solution

The fourth proportional to 377,933.86, 521,548.68 and 208,167.98 is: 287,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,933.86 : 521,548.68 = 208,167.98 : x
  2. Step 2: Convert to fraction form
    377,933.86/521,548.68 = 208,167.98/x
  3. Step 3: Cross multiply
    377,933.86x = 521,548.68 × 208,167.98
  4. Step 4: Simplify right side
    377,933.86x = 108,569,735,187.27
  5. Step 5: Solve for x
    x = 108,569,735,187.27/377,933.86
  6. Step 6: Final answer
    x = 287,271.79

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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.