Home / 305,233.44-421,214.24-169,265.20

Finding the Fourth Proportional to 305,233.44, 421,214.24 and 169,265.20

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Solution

The fourth proportional to 305,233.44, 421,214.24 and 169,265.20 is: 233,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,233.44 : 421,214.24 = 169,265.20 : x
  2. Step 2: Convert to fraction form
    305,233.44/421,214.24 = 169,265.20/x
  3. Step 3: Cross multiply
    305,233.44x = 421,214.24 × 169,265.20
  4. Step 4: Simplify right side
    305,233.44x = 71,296,912,576.45
  5. Step 5: Solve for x
    x = 71,296,912,576.45/305,233.44
  6. Step 6: Final answer
    x = 233,581.59

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1.5x scale

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.