Home / 375,279.09-562,976.96-126,019.41

Finding the Fourth Proportional to 375,279.09, 562,976.96 and 126,019.41

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Solution

The fourth proportional to 375,279.09, 562,976.96 and 126,019.41 is: 189,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,279.09 : 562,976.96 = 126,019.41 : x
  2. Step 2: Convert to fraction form
    375,279.09/562,976.96 = 126,019.41/x
  3. Step 3: Cross multiply
    375,279.09x = 562,976.96 × 126,019.41
  4. Step 4: Simplify right side
    375,279.09x = 70,946,026,532.72
  5. Step 5: Solve for x
    x = 70,946,026,532.72/375,279.09
  6. Step 6: Final answer
    x = 189,048.70

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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.