Home / 217,832.10-300,624.25-122,344.42

Finding the Fourth Proportional to 217,832.10, 300,624.25 and 122,344.42

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Solution

The fourth proportional to 217,832.10, 300,624.25 and 122,344.42 is: 168,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,832.10 : 300,624.25 = 122,344.42 : x
  2. Step 2: Convert to fraction form
    217,832.10/300,624.25 = 122,344.42/x
  3. Step 3: Cross multiply
    217,832.10x = 300,624.25 × 122,344.42
  4. Step 4: Simplify right side
    217,832.10x = 36,779,699,504.19
  5. Step 5: Solve for x
    x = 36,779,699,504.19/217,832.10
  6. Step 6: Final answer
    x = 168,844.26

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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.