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Finding the Fourth Proportional to 270,383.68, 373,096.80 and 149,508.64

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Solution

The fourth proportional to 270,383.68, 373,096.80 and 149,508.64 is: 206,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,383.68 : 373,096.80 = 149,508.64 : x
  2. Step 2: Convert to fraction form
    270,383.68/373,096.80 = 149,508.64/x
  3. Step 3: Cross multiply
    270,383.68x = 373,096.80 × 149,508.64
  4. Step 4: Simplify right side
    270,383.68x = 55,781,195,156.35
  5. Step 5: Solve for x
    x = 55,781,195,156.35/270,383.68
  6. Step 6: Final answer
    x = 206,303.85

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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.