Home / 448,428.33-672,327.12-208,287.27

Finding the Fourth Proportional to 448,428.33, 672,327.12 and 208,287.27

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Solution

The fourth proportional to 448,428.33, 672,327.12 and 208,287.27 is: 312,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,428.33 : 672,327.12 = 208,287.27 : x
  2. Step 2: Convert to fraction form
    448,428.33/672,327.12 = 208,287.27/x
  3. Step 3: Cross multiply
    448,428.33x = 672,327.12 × 208,287.27
  4. Step 4: Simplify right side
    448,428.33x = 140,037,180,371.76
  5. Step 5: Solve for x
    x = 140,037,180,371.76/448,428.33
  6. Step 6: Final answer
    x = 312,284.42

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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.