Home / 296,825.40-409,618.14-160,863.24

Finding the Fourth Proportional to 296,825.40, 409,618.14 and 160,863.24

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Solution

The fourth proportional to 296,825.40, 409,618.14 and 160,863.24 is: 221,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,825.40 : 409,618.14 = 160,863.24 : x
  2. Step 2: Convert to fraction form
    296,825.40/409,618.14 = 160,863.24/x
  3. Step 3: Cross multiply
    296,825.40x = 409,618.14 × 160,863.24
  4. Step 4: Simplify right side
    296,825.40x = 65,892,501,163.17
  5. Step 5: Solve for x
    x = 65,892,501,163.17/296,825.40
  6. Step 6: Final answer
    x = 221,990.78

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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.