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Finding the Fourth Proportional to 297,028.80, 409,921.44 and 169,701.66

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Solution

The fourth proportional to 297,028.80, 409,921.44 and 169,701.66 is: 234,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,028.80 : 409,921.44 = 169,701.66 : x
  2. Step 2: Convert to fraction form
    297,028.80/409,921.44 = 169,701.66/x
  3. Step 3: Cross multiply
    297,028.80x = 409,921.44 × 169,701.66
  4. Step 4: Simplify right side
    297,028.80x = 69,564,348,837.59
  5. Step 5: Solve for x
    x = 69,564,348,837.59/297,028.80
  6. Step 6: Final answer
    x = 234,200.69

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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.