Home / 351,305.88-484,802.21-190,160.43

Finding the Fourth Proportional to 351,305.88, 484,802.21 and 190,160.43

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Solution

The fourth proportional to 351,305.88, 484,802.21 and 190,160.43 is: 262,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,305.88 : 484,802.21 = 190,160.43 : x
  2. Step 2: Convert to fraction form
    351,305.88/484,802.21 = 190,160.43/x
  3. Step 3: Cross multiply
    351,305.88x = 484,802.21 × 190,160.43
  4. Step 4: Simplify right side
    351,305.88x = 92,190,195,767.75
  5. Step 5: Solve for x
    x = 92,190,195,767.75/351,305.88
  6. Step 6: Final answer
    x = 262,421.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.