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Finding the Fourth Proportional to 299,513.70, 448,614.45 and 260,147.70

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Solution

The fourth proportional to 299,513.70, 448,614.45 and 260,147.70 is: 389,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,513.70 : 448,614.45 = 260,147.70 : x
  2. Step 2: Convert to fraction form
    299,513.70/448,614.45 = 260,147.70/x
  3. Step 3: Cross multiply
    299,513.70x = 448,614.45 × 260,147.70
  4. Step 4: Simplify right side
    299,513.70x = 116,706,017,354.27
  5. Step 5: Solve for x
    x = 116,706,017,354.27/299,513.70
  6. Step 6: Final answer
    x = 389,651.68

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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.