Home / 647,944.99-972,104.01-198,731.77

Finding the Fourth Proportional to 647,944.99, 972,104.01 and 198,731.77

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Solution

The fourth proportional to 647,944.99, 972,104.01 and 198,731.77 is: 298,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,944.99 : 972,104.01 = 198,731.77 : x
  2. Step 2: Convert to fraction form
    647,944.99/972,104.01 = 198,731.77/x
  3. Step 3: Cross multiply
    647,944.99x = 972,104.01 × 198,731.77
  4. Step 4: Simplify right side
    647,944.99x = 193,187,950,531.40
  5. Step 5: Solve for x
    x = 193,187,950,531.40/647,944.99
  6. Step 6: Final answer
    x = 298,154.86

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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.