Home / 218,831.07-301,800.69-150,956.31

Finding the Fourth Proportional to 218,831.07, 301,800.69 and 150,956.31

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Solution

The fourth proportional to 218,831.07, 301,800.69 and 150,956.31 is: 208,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,831.07 : 301,800.69 = 150,956.31 : x
  2. Step 2: Convert to fraction form
    218,831.07/301,800.69 = 150,956.31/x
  3. Step 3: Cross multiply
    218,831.07x = 301,800.69 × 150,956.31
  4. Step 4: Simplify right side
    218,831.07x = 45,558,718,517.85
  5. Step 5: Solve for x
    x = 45,558,718,517.85/218,831.07
  6. Step 6: Final answer
    x = 208,191.27

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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.