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Finding the Fourth Proportional to 199,480.94, 299,251.20 and 64,499.84

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Solution

The fourth proportional to 199,480.94, 299,251.20 and 64,499.84 is: 96,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,480.94 : 299,251.20 = 64,499.84 : x
  2. Step 2: Convert to fraction form
    199,480.94/299,251.20 = 64,499.84/x
  3. Step 3: Cross multiply
    199,480.94x = 299,251.20 × 64,499.84
  4. Step 4: Simplify right side
    199,480.94x = 19,301,654,519.81
  5. Step 5: Solve for x
    x = 19,301,654,519.81/199,480.94
  6. Step 6: Final answer
    x = 96,759.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.