Home / 217,561.92-326,440.78-117,605.10

Finding the Fourth Proportional to 217,561.92, 326,440.78 and 117,605.10

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Solution

The fourth proportional to 217,561.92, 326,440.78 and 117,605.10 is: 176,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,561.92 : 326,440.78 = 117,605.10 : x
  2. Step 2: Convert to fraction form
    217,561.92/326,440.78 = 117,605.10/x
  3. Step 3: Cross multiply
    217,561.92x = 326,440.78 × 117,605.10
  4. Step 4: Simplify right side
    217,561.92x = 38,391,100,575.98
  5. Step 5: Solve for x
    x = 38,391,100,575.98/217,561.92
  6. Step 6: Final answer
    x = 176,460.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.