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Finding the Fourth Proportional to 299,104.20, 448,656.30 and 272,860.20

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Solution

The fourth proportional to 299,104.20, 448,656.30 and 272,860.20 is: 409,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,104.20 : 448,656.30 = 272,860.20 : x
  2. Step 2: Convert to fraction form
    299,104.20/448,656.30 = 272,860.20/x
  3. Step 3: Cross multiply
    299,104.20x = 448,656.30 × 272,860.20
  4. Step 4: Simplify right side
    299,104.20x = 122,420,447,749.26
  5. Step 5: Solve for x
    x = 122,420,447,749.26/299,104.20
  6. Step 6: Final answer
    x = 409,290.30

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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.