Home / 217,843.43-300,607.10-122,331.67

Finding the Fourth Proportional to 217,843.43, 300,607.10 and 122,331.67

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Solution

The fourth proportional to 217,843.43, 300,607.10 and 122,331.67 is: 168,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,843.43 : 300,607.10 = 122,331.67 : x
  2. Step 2: Convert to fraction form
    217,843.43/300,607.10 = 122,331.67/x
  3. Step 3: Cross multiply
    217,843.43x = 300,607.10 × 122,331.67
  4. Step 4: Simplify right side
    217,843.43x = 36,773,767,652.42
  5. Step 5: Solve for x
    x = 36,773,767,652.42/217,843.43
  6. Step 6: Final answer
    x = 168,808.25

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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.