Home / 609,540.03-914,370.18-210,128.22

Finding the Fourth Proportional to 609,540.03, 914,370.18 and 210,128.22

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Solution

The fourth proportional to 609,540.03, 914,370.18 and 210,128.22 is: 315,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,540.03 : 914,370.18 = 210,128.22 : x
  2. Step 2: Convert to fraction form
    609,540.03/914,370.18 = 210,128.22/x
  3. Step 3: Cross multiply
    609,540.03x = 914,370.18 × 210,128.22
  4. Step 4: Simplify right side
    609,540.03x = 192,134,973,772.63
  5. Step 5: Solve for x
    x = 192,134,973,772.63/609,540.03
  6. Step 6: Final answer
    x = 315,213.06

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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.