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Finding the Fourth Proportional to 448,593.61, 673,170.52 and 298,938.90

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Solution

The fourth proportional to 448,593.61, 673,170.52 and 298,938.90 is: 448,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,593.61 : 673,170.52 = 298,938.90 : x
  2. Step 2: Convert to fraction form
    448,593.61/673,170.52 = 298,938.90/x
  3. Step 3: Cross multiply
    448,593.61x = 673,170.52 × 298,938.90
  4. Step 4: Simplify right side
    448,593.61x = 201,236,857,939.55
  5. Step 5: Solve for x
    x = 201,236,857,939.55/448,593.61
  6. Step 6: Final answer
    x = 448,595.02

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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.