Home / 217,747.55-300,483.88-122,258.27

Finding the Fourth Proportional to 217,747.55, 300,483.88 and 122,258.27

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Solution

The fourth proportional to 217,747.55, 300,483.88 and 122,258.27 is: 168,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747.55 : 300,483.88 = 122,258.27 : x
  2. Step 2: Convert to fraction form
    217,747.55/300,483.88 = 122,258.27/x
  3. Step 3: Cross multiply
    217,747.55x = 300,483.88 × 122,258.27
  4. Step 4: Simplify right side
    217,747.55x = 36,736,639,777.25
  5. Step 5: Solve for x
    x = 36,736,639,777.25/217,747.55
  6. Step 6: Final answer
    x = 168,712.07

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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.