Home / 203,772.30-305,260.82-133,438.38

Finding the Fourth Proportional to 203,772.30, 305,260.82 and 133,438.38

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Solution

The fourth proportional to 203,772.30, 305,260.82 and 133,438.38 is: 199,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,772.30 : 305,260.82 = 133,438.38 : x
  2. Step 2: Convert to fraction form
    203,772.30/305,260.82 = 133,438.38/x
  3. Step 3: Cross multiply
    203,772.30x = 305,260.82 × 133,438.38
  4. Step 4: Simplify right side
    203,772.30x = 40,733,509,298.27
  5. Step 5: Solve for x
    x = 40,733,509,298.27/203,772.30
  6. Step 6: Final answer
    x = 199,897.19

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1.5x scale

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.