Home / 215,862.84-323,609.58-82,838.57

Finding the Fourth Proportional to 215,862.84, 323,609.58 and 82,838.57

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Solution

The fourth proportional to 215,862.84, 323,609.58 and 82,838.57 is: 124,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,862.84 : 323,609.58 = 82,838.57 : x
  2. Step 2: Convert to fraction form
    215,862.84/323,609.58 = 82,838.57/x
  3. Step 3: Cross multiply
    215,862.84x = 323,609.58 × 82,838.57
  4. Step 4: Simplify right side
    215,862.84x = 26,807,353,227.45
  5. Step 5: Solve for x
    x = 26,807,353,227.45/215,862.84
  6. Step 6: Final answer
    x = 124,186.98

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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.