Home / 382,194.40-527,425.68-212,438.56

Finding the Fourth Proportional to 382,194.40, 527,425.68 and 212,438.56

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Solution

The fourth proportional to 382,194.40, 527,425.68 and 212,438.56 is: 293,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,194.40 : 527,425.68 = 212,438.56 : x
  2. Step 2: Convert to fraction form
    382,194.40/527,425.68 = 212,438.56/x
  3. Step 3: Cross multiply
    382,194.40x = 527,425.68 × 212,438.56
  4. Step 4: Simplify right side
    382,194.40x = 112,045,551,966.22
  5. Step 5: Solve for x
    x = 112,045,551,966.22/382,194.40
  6. Step 6: Final answer
    x = 293,163.77

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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.