Home / 206,475.36-309,696.03-146,255.10

Finding the Fourth Proportional to 206,475.36, 309,696.03 and 146,255.10

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Solution

The fourth proportional to 206,475.36, 309,696.03 and 146,255.10 is: 219,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,475.36 : 309,696.03 = 146,255.10 : x
  2. Step 2: Convert to fraction form
    206,475.36/309,696.03 = 146,255.10/x
  3. Step 3: Cross multiply
    206,475.36x = 309,696.03 × 146,255.10
  4. Step 4: Simplify right side
    206,475.36x = 45,294,623,837.25
  5. Step 5: Solve for x
    x = 45,294,623,837.25/206,475.36
  6. Step 6: Final answer
    x = 219,370.60

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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.