Home / 217,741.50-300,460.23-122,258.94

Finding the Fourth Proportional to 217,741.50, 300,460.23 and 122,258.94

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Solution

The fourth proportional to 217,741.50, 300,460.23 and 122,258.94 is: 168,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.50 : 300,460.23 = 122,258.94 : x
  2. Step 2: Convert to fraction form
    217,741.50/300,460.23 = 122,258.94/x
  3. Step 3: Cross multiply
    217,741.50x = 300,460.23 × 122,258.94
  4. Step 4: Simplify right side
    217,741.50x = 36,733,949,231.96
  5. Step 5: Solve for x
    x = 36,733,949,231.96/217,741.50
  6. Step 6: Final answer
    x = 168,704.40

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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.