Home / 285,962.24-428,640.48-96,241.92

Finding the Fourth Proportional to 285,962.24, 428,640.48 and 96,241.92

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Solution

The fourth proportional to 285,962.24, 428,640.48 and 96,241.92 is: 144,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,962.24 : 428,640.48 = 96,241.92 : x
  2. Step 2: Convert to fraction form
    285,962.24/428,640.48 = 96,241.92/x
  3. Step 3: Cross multiply
    285,962.24x = 428,640.48 × 96,241.92
  4. Step 4: Simplify right side
    285,962.24x = 41,253,182,784.92
  5. Step 5: Solve for x
    x = 41,253,182,784.92/285,962.24
  6. Step 6: Final answer
    x = 144,260.94

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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.