Home / 500,227.75-690,312.86-273,871.63

Finding the Fourth Proportional to 500,227.75, 690,312.86 and 273,871.63

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Solution

The fourth proportional to 500,227.75, 690,312.86 and 273,871.63 is: 377,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,227.75 : 690,312.86 = 273,871.63 : x
  2. Step 2: Convert to fraction form
    500,227.75/690,312.86 = 273,871.63/x
  3. Step 3: Cross multiply
    500,227.75x = 690,312.86 × 273,871.63
  4. Step 4: Simplify right side
    500,227.75x = 189,057,104,726.60
  5. Step 5: Solve for x
    x = 189,057,104,726.60/500,227.75
  6. Step 6: Final answer
    x = 377,942.06

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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.