Home / 291,388.65-436,968.03-141,584.61

Finding the Fourth Proportional to 291,388.65, 436,968.03 and 141,584.61

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Solution

The fourth proportional to 291,388.65, 436,968.03 and 141,584.61 is: 212,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,388.65 : 436,968.03 = 141,584.61 : x
  2. Step 2: Convert to fraction form
    291,388.65/436,968.03 = 141,584.61/x
  3. Step 3: Cross multiply
    291,388.65x = 436,968.03 × 141,584.61
  4. Step 4: Simplify right side
    291,388.65x = 61,867,948,110.02
  5. Step 5: Solve for x
    x = 61,867,948,110.02/291,388.65
  6. Step 6: Final answer
    x = 212,321.06

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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.