Home / 285,867.54-428,840.91-96,382.15

Finding the Fourth Proportional to 285,867.54, 428,840.91 and 96,382.15

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Solution

The fourth proportional to 285,867.54, 428,840.91 and 96,382.15 is: 144,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,867.54 : 428,840.91 = 96,382.15 : x
  2. Step 2: Convert to fraction form
    285,867.54/428,840.91 = 96,382.15/x
  3. Step 3: Cross multiply
    285,867.54x = 428,840.91 × 96,382.15
  4. Step 4: Simplify right side
    285,867.54x = 41,332,606,287.64
  5. Step 5: Solve for x
    x = 41,332,606,287.64/285,867.54
  6. Step 6: Final answer
    x = 144,586.57

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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.