Home / 302,680.26-454,020.39-142,718.96

Finding the Fourth Proportional to 302,680.26, 454,020.39 and 142,718.96

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Solution

The fourth proportional to 302,680.26, 454,020.39 and 142,718.96 is: 214,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,680.26 : 454,020.39 = 142,718.96 : x
  2. Step 2: Convert to fraction form
    302,680.26/454,020.39 = 142,718.96/x
  3. Step 3: Cross multiply
    302,680.26x = 454,020.39 × 142,718.96
  4. Step 4: Simplify right side
    302,680.26x = 64,797,319,014.65
  5. Step 5: Solve for x
    x = 64,797,319,014.65/302,680.26
  6. Step 6: Final answer
    x = 214,078.44

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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.