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Finding the Fourth Proportional to 299,480.49, 449,096.81 and 121,866.93

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Solution

The fourth proportional to 299,480.49, 449,096.81 and 121,866.93 is: 182,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,480.49 : 449,096.81 = 121,866.93 : x
  2. Step 2: Convert to fraction form
    299,480.49/449,096.81 = 121,866.93/x
  3. Step 3: Cross multiply
    299,480.49x = 449,096.81 × 121,866.93
  4. Step 4: Simplify right side
    299,480.49x = 54,730,048,898.16
  5. Step 5: Solve for x
    x = 54,730,048,898.16/299,480.49
  6. Step 6: Final answer
    x = 182,749.96

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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.