Home / 299,140.20-448,336.12-149,422.28

Finding the Fourth Proportional to 299,140.20, 448,336.12 and 149,422.28

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Solution

The fourth proportional to 299,140.20, 448,336.12 and 149,422.28 is: 223,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,140.20 : 448,336.12 = 149,422.28 : x
  2. Step 2: Convert to fraction form
    299,140.20/448,336.12 = 149,422.28/x
  3. Step 3: Cross multiply
    299,140.20x = 448,336.12 × 149,422.28
  4. Step 4: Simplify right side
    299,140.20x = 66,991,405,256.75
  5. Step 5: Solve for x
    x = 66,991,405,256.75/299,140.20
  6. Step 6: Final answer
    x = 223,946.51

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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.