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Finding the Fourth Proportional to 299,480.20, 448,564.20 and 260,114.20

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Solution

The fourth proportional to 299,480.20, 448,564.20 and 260,114.20 is: 389,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,480.20 : 448,564.20 = 260,114.20 : x
  2. Step 2: Convert to fraction form
    299,480.20/448,564.20 = 260,114.20/x
  3. Step 3: Cross multiply
    299,480.20x = 448,564.20 × 260,114.20
  4. Step 4: Simplify right side
    299,480.20x = 116,677,918,031.64
  5. Step 5: Solve for x
    x = 116,677,918,031.64/299,480.20
  6. Step 6: Final answer
    x = 389,601.44

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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.