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Finding the Fourth Proportional to 448,543.87, 618,979.29 and 244,598.71

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Solution

The fourth proportional to 448,543.87, 618,979.29 and 244,598.71 is: 337,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,543.87 : 618,979.29 = 244,598.71 : x
  2. Step 2: Convert to fraction form
    448,543.87/618,979.29 = 244,598.71/x
  3. Step 3: Cross multiply
    448,543.87x = 618,979.29 × 244,598.71
  4. Step 4: Simplify right side
    448,543.87x = 151,401,535,850.72
  5. Step 5: Solve for x
    x = 151,401,535,850.72/448,543.87
  6. Step 6: Final answer
    x = 337,540.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.