Home / 214,820.45-322,378.59-74,579.07

Finding the Fourth Proportional to 214,820.45, 322,378.59 and 74,579.07

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Solution

The fourth proportional to 214,820.45, 322,378.59 and 74,579.07 is: 111,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,820.45 : 322,378.59 = 74,579.07 : x
  2. Step 2: Convert to fraction form
    214,820.45/322,378.59 = 74,579.07/x
  3. Step 3: Cross multiply
    214,820.45x = 322,378.59 × 74,579.07
  4. Step 4: Simplify right side
    214,820.45x = 24,042,695,430.11
  5. Step 5: Solve for x
    x = 24,042,695,430.11/214,820.45
  6. Step 6: Final answer
    x = 111,919.96

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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.