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Finding the Fourth Proportional to 448,691.13, 619,202.19 and 244,749.33

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Solution

The fourth proportional to 448,691.13, 619,202.19 and 244,749.33 is: 337,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,691.13 : 619,202.19 = 244,749.33 : x
  2. Step 2: Convert to fraction form
    448,691.13/619,202.19 = 244,749.33/x
  3. Step 3: Cross multiply
    448,691.13x = 619,202.19 × 244,749.33
  4. Step 4: Simplify right side
    448,691.13x = 151,549,321,137.03
  5. Step 5: Solve for x
    x = 151,549,321,137.03/448,691.13
  6. Step 6: Final answer
    x = 337,758.67

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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.