Home / 217,601.15-326,401.73-142,951.55

Finding the Fourth Proportional to 217,601.15, 326,401.73 and 142,951.55

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Solution

The fourth proportional to 217,601.15, 326,401.73 and 142,951.55 is: 214,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,601.15 : 326,401.73 = 142,951.55 : x
  2. Step 2: Convert to fraction form
    217,601.15/326,401.73 = 142,951.55/x
  3. Step 3: Cross multiply
    217,601.15x = 326,401.73 × 142,951.55
  4. Step 4: Simplify right side
    217,601.15x = 46,659,632,511.42
  5. Step 5: Solve for x
    x = 46,659,632,511.42/217,601.15
  6. Step 6: Final answer
    x = 214,427.33

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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.