Home / 634,187.82-951,380.01-213,430.86

Finding the Fourth Proportional to 634,187.82, 951,380.01 and 213,430.86

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Solution

The fourth proportional to 634,187.82, 951,380.01 and 213,430.86 is: 320,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,187.82 : 951,380.01 = 213,430.86 : x
  2. Step 2: Convert to fraction form
    634,187.82/951,380.01 = 213,430.86/x
  3. Step 3: Cross multiply
    634,187.82x = 951,380.01 × 213,430.86
  4. Step 4: Simplify right side
    634,187.82x = 203,053,853,721.11
  5. Step 5: Solve for x
    x = 203,053,853,721.11/634,187.82
  6. Step 6: Final answer
    x = 320,179.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.