Home / 228,340.38-315,173.11-132,865.58

Finding the Fourth Proportional to 228,340.38, 315,173.11 and 132,865.58

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Solution

The fourth proportional to 228,340.38, 315,173.11 and 132,865.58 is: 183,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,340.38 : 315,173.11 = 132,865.58 : x
  2. Step 2: Convert to fraction form
    228,340.38/315,173.11 = 132,865.58/x
  3. Step 3: Cross multiply
    228,340.38x = 315,173.11 × 132,865.58
  4. Step 4: Simplify right side
    228,340.38x = 41,875,658,060.55
  5. Step 5: Solve for x
    x = 41,875,658,060.55/228,340.38
  6. Step 6: Final answer
    x = 183,391.38

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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.