Home / 217,844.43-300,608.48-122,332.67

Finding the Fourth Proportional to 217,844.43, 300,608.48 and 122,332.67

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Solution

The fourth proportional to 217,844.43, 300,608.48 and 122,332.67 is: 168,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,844.43 : 300,608.48 = 122,332.67 : x
  2. Step 2: Convert to fraction form
    217,844.43/300,608.48 = 122,332.67/x
  3. Step 3: Cross multiply
    217,844.43x = 300,608.48 × 122,332.67
  4. Step 4: Simplify right side
    217,844.43x = 36,774,237,983.04
  5. Step 5: Solve for x
    x = 36,774,237,983.04/217,844.43
  6. Step 6: Final answer
    x = 168,809.63

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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.