Home / 296,716.68-442,916.64-274,788.36

Finding the Fourth Proportional to 296,716.68, 442,916.64 and 274,788.36

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Solution

The fourth proportional to 296,716.68, 442,916.64 and 274,788.36 is: 410,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,716.68 : 442,916.64 = 274,788.36 : x
  2. Step 2: Convert to fraction form
    296,716.68/442,916.64 = 274,788.36/x
  3. Step 3: Cross multiply
    296,716.68x = 442,916.64 × 274,788.36
  4. Step 4: Simplify right side
    296,716.68x = 121,708,337,122.31
  5. Step 5: Solve for x
    x = 121,708,337,122.31/296,716.68
  6. Step 6: Final answer
    x = 410,183.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.