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Finding the Fourth Proportional to 448,705.00, 672,496.21 and 224,128.12

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Solution

The fourth proportional to 448,705.00, 672,496.21 and 224,128.12 is: 335,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,705.00 : 672,496.21 = 224,128.12 : x
  2. Step 2: Convert to fraction form
    448,705.00/672,496.21 = 224,128.12/x
  3. Step 3: Cross multiply
    448,705.00x = 672,496.21 × 224,128.12
  4. Step 4: Simplify right side
    448,705.00x = 150,725,308,434.97
  5. Step 5: Solve for x
    x = 150,725,308,434.97/448,705.00
  6. Step 6: Final answer
    x = 335,911.81

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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.