Home / 299,619.03-449,430.25-99,938.83

Finding the Fourth Proportional to 299,619.03, 449,430.25 and 99,938.83

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Solution

The fourth proportional to 299,619.03, 449,430.25 and 99,938.83 is: 149,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,619.03 : 449,430.25 = 99,938.83 : x
  2. Step 2: Convert to fraction form
    299,619.03/449,430.25 = 99,938.83/x
  3. Step 3: Cross multiply
    299,619.03x = 449,430.25 × 99,938.83
  4. Step 4: Simplify right side
    299,619.03x = 44,915,533,351.61
  5. Step 5: Solve for x
    x = 44,915,533,351.61/299,619.03
  6. Step 6: Final answer
    x = 149,908.81

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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.