Home / 378,060.27-521,722.85-208,294.39

Finding the Fourth Proportional to 378,060.27, 521,722.85 and 208,294.39

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Solution

The fourth proportional to 378,060.27, 521,722.85 and 208,294.39 is: 287,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,060.27 : 521,722.85 = 208,294.39 : x
  2. Step 2: Convert to fraction form
    378,060.27/521,722.85 = 208,294.39/x
  3. Step 3: Cross multiply
    378,060.27x = 521,722.85 × 208,294.39
  4. Step 4: Simplify right side
    378,060.27x = 108,671,942,789.81
  5. Step 5: Solve for x
    x = 108,671,942,789.81/378,060.27
  6. Step 6: Final answer
    x = 287,446.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.