Home / 499,277.91-689,003.55-269,834.52

Finding the Fourth Proportional to 499,277.91, 689,003.55 and 269,834.52

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Solution

The fourth proportional to 499,277.91, 689,003.55 and 269,834.52 is: 372,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,277.91 : 689,003.55 = 269,834.52 : x
  2. Step 2: Convert to fraction form
    499,277.91/689,003.55 = 269,834.52/x
  3. Step 3: Cross multiply
    499,277.91x = 689,003.55 × 269,834.52
  4. Step 4: Simplify right side
    499,277.91x = 185,916,942,192.55
  5. Step 5: Solve for x
    x = 185,916,942,192.55/499,277.91
  6. Step 6: Final answer
    x = 372,371.66

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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.