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Finding the Fourth Proportional to 299,273.96, 448,914.89 and 99,594.38

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Solution

The fourth proportional to 299,273.96, 448,914.89 and 99,594.38 is: 149,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,273.96 : 448,914.89 = 99,594.38 : x
  2. Step 2: Convert to fraction form
    299,273.96/448,914.89 = 99,594.38/x
  3. Step 3: Cross multiply
    299,273.96x = 448,914.89 × 99,594.38
  4. Step 4: Simplify right side
    299,273.96x = 44,709,401,513.59
  5. Step 5: Solve for x
    x = 44,709,401,513.59/299,273.96
  6. Step 6: Final answer
    x = 149,392.89

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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.