Home / 301,279.91-451,995.80-212,706.41

Finding the Fourth Proportional to 301,279.91, 451,995.80 and 212,706.41

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Solution

The fourth proportional to 301,279.91, 451,995.80 and 212,706.41 is: 319,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,279.91 : 451,995.80 = 212,706.41 : x
  2. Step 2: Convert to fraction form
    301,279.91/451,995.80 = 212,706.41/x
  3. Step 3: Cross multiply
    301,279.91x = 451,995.80 × 212,706.41
  4. Step 4: Simplify right side
    301,279.91x = 96,142,400,629.57
  5. Step 5: Solve for x
    x = 96,142,400,629.57/301,279.91
  6. Step 6: Final answer
    x = 319,113.22

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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.