Home / 432,231.90-648,431.88-165,972.84

Finding the Fourth Proportional to 432,231.90, 648,431.88 and 165,972.84

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Solution

The fourth proportional to 432,231.90, 648,431.88 and 165,972.84 is: 248,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,231.90 : 648,431.88 = 165,972.84 : x
  2. Step 2: Convert to fraction form
    432,231.90/648,431.88 = 165,972.84/x
  3. Step 3: Cross multiply
    432,231.90x = 648,431.88 × 165,972.84
  4. Step 4: Simplify right side
    432,231.90x = 107,622,080,670.14
  5. Step 5: Solve for x
    x = 107,622,080,670.14/432,231.90
  6. Step 6: Final answer
    x = 248,991.53

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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.