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Finding the Fourth Proportional to 225,233.34, 310,831.47 and 124,631.34

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Solution

The fourth proportional to 225,233.34, 310,831.47 and 124,631.34 is: 171,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,233.34 : 310,831.47 = 124,631.34 : x
  2. Step 2: Convert to fraction form
    225,233.34/310,831.47 = 124,631.34/x
  3. Step 3: Cross multiply
    225,233.34x = 310,831.47 × 124,631.34
  4. Step 4: Simplify right side
    225,233.34x = 38,739,342,620.27
  5. Step 5: Solve for x
    x = 38,739,342,620.27/225,233.34
  6. Step 6: Final answer
    x = 171,996.48

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1.5x scale

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.