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Finding the Fourth Proportional to 214,179.72, 295,525.44 and 129,301.44

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Solution

The fourth proportional to 214,179.72, 295,525.44 and 129,301.44 is: 178,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,179.72 : 295,525.44 = 129,301.44 : x
  2. Step 2: Convert to fraction form
    214,179.72/295,525.44 = 129,301.44/x
  3. Step 3: Cross multiply
    214,179.72x = 295,525.44 × 129,301.44
  4. Step 4: Simplify right side
    214,179.72x = 38,211,864,948.63
  5. Step 5: Solve for x
    x = 38,211,864,948.63/214,179.72
  6. Step 6: Final answer
    x = 178,410.29

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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.