Home / 297,156.82-409,976.68-169,742.20

Finding the Fourth Proportional to 297,156.82, 409,976.68 and 169,742.20

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Solution

The fourth proportional to 297,156.82, 409,976.68 and 169,742.20 is: 234,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,156.82 : 409,976.68 = 169,742.20 : x
  2. Step 2: Convert to fraction form
    297,156.82/409,976.68 = 169,742.20/x
  3. Step 3: Cross multiply
    297,156.82x = 409,976.68 × 169,742.20
  4. Step 4: Simplify right side
    297,156.82x = 69,590,343,611.90
  5. Step 5: Solve for x
    x = 69,590,343,611.90/297,156.82
  6. Step 6: Final answer
    x = 234,187.27

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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.