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Finding the Fourth Proportional to 203,247.89, 304,807.25 and 189,980.33

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Solution

The fourth proportional to 203,247.89, 304,807.25 and 189,980.33 is: 284,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,247.89 : 304,807.25 = 189,980.33 : x
  2. Step 2: Convert to fraction form
    203,247.89/304,807.25 = 189,980.33/x
  3. Step 3: Cross multiply
    203,247.89x = 304,807.25 × 189,980.33
  4. Step 4: Simplify right side
    203,247.89x = 57,907,380,417.36
  5. Step 5: Solve for x
    x = 57,907,380,417.36/203,247.89
  6. Step 6: Final answer
    x = 284,910.12

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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.