Home / 269,140.92-403,790.32-79,606.28

Finding the Fourth Proportional to 269,140.92, 403,790.32 and 79,606.28

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Solution

The fourth proportional to 269,140.92, 403,790.32 and 79,606.28 is: 119,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,140.92 : 403,790.32 = 79,606.28 : x
  2. Step 2: Convert to fraction form
    269,140.92/403,790.32 = 79,606.28/x
  3. Step 3: Cross multiply
    269,140.92x = 403,790.32 × 79,606.28
  4. Step 4: Simplify right side
    269,140.92x = 32,144,245,275.21
  5. Step 5: Solve for x
    x = 32,144,245,275.21/269,140.92
  6. Step 6: Final answer
    x = 119,432.77

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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.