Home / 351,912.69-527,942.86-152,261.46

Finding the Fourth Proportional to 351,912.69, 527,942.86 and 152,261.46

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Solution

The fourth proportional to 351,912.69, 527,942.86 and 152,261.46 is: 228,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,912.69 : 527,942.86 = 152,261.46 : x
  2. Step 2: Convert to fraction form
    351,912.69/527,942.86 = 152,261.46/x
  3. Step 3: Cross multiply
    351,912.69x = 527,942.86 × 152,261.46
  4. Step 4: Simplify right side
    351,912.69x = 80,385,350,279.52
  5. Step 5: Solve for x
    x = 80,385,350,279.52/351,912.69
  6. Step 6: Final answer
    x = 228,424.13

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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.