Home / 419,139.05-628,355.92-182,303.36

Finding the Fourth Proportional to 419,139.05, 628,355.92 and 182,303.36

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Solution

The fourth proportional to 419,139.05, 628,355.92 and 182,303.36 is: 273,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,139.05 : 628,355.92 = 182,303.36 : x
  2. Step 2: Convert to fraction form
    419,139.05/628,355.92 = 182,303.36/x
  3. Step 3: Cross multiply
    419,139.05x = 628,355.92 × 182,303.36
  4. Step 4: Simplify right side
    419,139.05x = 114,551,392,350.11
  5. Step 5: Solve for x
    x = 114,551,392,350.11/419,139.05
  6. Step 6: Final answer
    x = 273,301.65

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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.