Home / 217,401.37-300,016.98-131,348.39

Finding the Fourth Proportional to 217,401.37, 300,016.98 and 131,348.39

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Solution

The fourth proportional to 217,401.37, 300,016.98 and 131,348.39 is: 181,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401.37 : 300,016.98 = 131,348.39 : x
  2. Step 2: Convert to fraction form
    217,401.37/300,016.98 = 131,348.39/x
  3. Step 3: Cross multiply
    217,401.37x = 300,016.98 × 131,348.39
  4. Step 4: Simplify right side
    217,401.37x = 39,406,745,795.58
  5. Step 5: Solve for x
    x = 39,406,745,795.58/217,401.37
  6. Step 6: Final answer
    x = 181,262.64

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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.