Home / 217,986.60-326,979.90-151,501.80

Finding the Fourth Proportional to 217,986.60, 326,979.90 and 151,501.80

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Solution

The fourth proportional to 217,986.60, 326,979.90 and 151,501.80 is: 227,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,986.60 : 326,979.90 = 151,501.80 : x
  2. Step 2: Convert to fraction form
    217,986.60/326,979.90 = 151,501.80/x
  3. Step 3: Cross multiply
    217,986.60x = 326,979.90 × 151,501.80
  4. Step 4: Simplify right side
    217,986.60x = 49,538,043,413.82
  5. Step 5: Solve for x
    x = 49,538,043,413.82/217,986.60
  6. Step 6: Final answer
    x = 227,252.70

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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.