Home / 216,295.08-324,331.86-115,150.59

Finding the Fourth Proportional to 216,295.08, 324,331.86 and 115,150.59

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Solution

The fourth proportional to 216,295.08, 324,331.86 and 115,150.59 is: 172,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,295.08 : 324,331.86 = 115,150.59 : x
  2. Step 2: Convert to fraction form
    216,295.08/324,331.86 = 115,150.59/x
  3. Step 3: Cross multiply
    216,295.08x = 324,331.86 × 115,150.59
  4. Step 4: Simplify right side
    216,295.08x = 37,347,005,034.80
  5. Step 5: Solve for x
    x = 37,347,005,034.80/216,295.08
  6. Step 6: Final answer
    x = 172,666.92

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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.