Home / 411,749.73-617,196.24-159,203.61

Finding the Fourth Proportional to 411,749.73, 617,196.24 and 159,203.61

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Solution

The fourth proportional to 411,749.73, 617,196.24 and 159,203.61 is: 238,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,749.73 : 617,196.24 = 159,203.61 : x
  2. Step 2: Convert to fraction form
    411,749.73/617,196.24 = 159,203.61/x
  3. Step 3: Cross multiply
    411,749.73x = 617,196.24 × 159,203.61
  4. Step 4: Simplify right side
    411,749.73x = 98,259,869,486.43
  5. Step 5: Solve for x
    x = 98,259,869,486.43/411,749.73
  6. Step 6: Final answer
    x = 238,639.79

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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.