Home / 299,845.28-449,603.18-147,707.59

Finding the Fourth Proportional to 299,845.28, 449,603.18 and 147,707.59

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Solution

The fourth proportional to 299,845.28, 449,603.18 and 147,707.59 is: 221,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,845.28 : 449,603.18 = 147,707.59 : x
  2. Step 2: Convert to fraction form
    299,845.28/449,603.18 = 147,707.59/x
  3. Step 3: Cross multiply
    299,845.28x = 449,603.18 × 147,707.59
  4. Step 4: Simplify right side
    299,845.28x = 66,409,803,388.44
  5. Step 5: Solve for x
    x = 66,409,803,388.44/299,845.28
  6. Step 6: Final answer
    x = 221,480.24

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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.