Home / 351,448.17-484,997.78-190,302.72

Finding the Fourth Proportional to 351,448.17, 484,997.78 and 190,302.72

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Solution

The fourth proportional to 351,448.17, 484,997.78 and 190,302.72 is: 262,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,448.17 : 484,997.78 = 190,302.72 : x
  2. Step 2: Convert to fraction form
    351,448.17/484,997.78 = 190,302.72/x
  3. Step 3: Cross multiply
    351,448.17x = 484,997.78 × 190,302.72
  4. Step 4: Simplify right side
    351,448.17x = 92,296,394,314.52
  5. Step 5: Solve for x
    x = 92,296,394,314.52/351,448.17
  6. Step 6: Final answer
    x = 262,617.37

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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.