Home / 248,831.52-343,279.16-158,138.88

Finding the Fourth Proportional to 248,831.52, 343,279.16 and 158,138.88

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Solution

The fourth proportional to 248,831.52, 343,279.16 and 158,138.88 is: 218,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,831.52 : 343,279.16 = 158,138.88 : x
  2. Step 2: Convert to fraction form
    248,831.52/343,279.16 = 158,138.88/x
  3. Step 3: Cross multiply
    248,831.52x = 343,279.16 × 158,138.88
  4. Step 4: Simplify right side
    248,831.52x = 54,285,781,889.74
  5. Step 5: Solve for x
    x = 54,285,781,889.74/248,831.52
  6. Step 6: Final answer
    x = 218,162.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.