Home / 285,947.72-428,622.28-96,342.60

Finding the Fourth Proportional to 285,947.72, 428,622.28 and 96,342.60

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Solution

The fourth proportional to 285,947.72, 428,622.28 and 96,342.60 is: 144,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,947.72 : 428,622.28 = 96,342.60 : x
  2. Step 2: Convert to fraction form
    285,947.72/428,622.28 = 96,342.60/x
  3. Step 3: Cross multiply
    285,947.72x = 428,622.28 × 96,342.60
  4. Step 4: Simplify right side
    285,947.72x = 41,294,584,873.13
  5. Step 5: Solve for x
    x = 41,294,584,873.13/285,947.72
  6. Step 6: Final answer
    x = 144,413.06

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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.