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Finding the Fourth Proportional to 448,349.10, 618,713.31 and 244,401.90

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Solution

The fourth proportional to 448,349.10, 618,713.31 and 244,401.90 is: 337,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,349.10 : 618,713.31 = 244,401.90 : x
  2. Step 2: Convert to fraction form
    448,349.10/618,713.31 = 244,401.90/x
  3. Step 3: Cross multiply
    448,349.10x = 618,713.31 × 244,401.90
  4. Step 4: Simplify right side
    448,349.10x = 151,214,708,519.29
  5. Step 5: Solve for x
    x = 151,214,708,519.29/448,349.10
  6. Step 6: Final answer
    x = 337,270.02

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1.5x scale

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.