Home / 229,508.29-344,121.49-79,684.21

Finding the Fourth Proportional to 229,508.29, 344,121.49 and 79,684.21

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Solution

The fourth proportional to 229,508.29, 344,121.49 and 79,684.21 is: 119,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,508.29 : 344,121.49 = 79,684.21 : x
  2. Step 2: Convert to fraction form
    229,508.29/344,121.49 = 79,684.21/x
  3. Step 3: Cross multiply
    229,508.29x = 344,121.49 × 79,684.21
  4. Step 4: Simplify right side
    229,508.29x = 27,421,049,074.67
  5. Step 5: Solve for x
    x = 27,421,049,074.67/229,508.29
  6. Step 6: Final answer
    x = 119,477.38

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1.5x scale

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.