Home / 382,438.80-527,896.44-231,535.68

Finding the Fourth Proportional to 382,438.80, 527,896.44 and 231,535.68

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Solution

The fourth proportional to 382,438.80, 527,896.44 and 231,535.68 is: 319,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,438.80 : 527,896.44 = 231,535.68 : x
  2. Step 2: Convert to fraction form
    382,438.80/527,896.44 = 231,535.68/x
  3. Step 3: Cross multiply
    382,438.80x = 527,896.44 × 231,535.68
  4. Step 4: Simplify right side
    382,438.80x = 122,226,861,204.98
  5. Step 5: Solve for x
    x = 122,226,861,204.98/382,438.80
  6. Step 6: Final answer
    x = 319,598.49

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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.