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Finding the Fourth Proportional to 375,949.71, 518,838.09 and 214,801.29

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Solution

The fourth proportional to 375,949.71, 518,838.09 and 214,801.29 is: 296,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,949.71 : 518,838.09 = 214,801.29 : x
  2. Step 2: Convert to fraction form
    375,949.71/518,838.09 = 214,801.29/x
  3. Step 3: Cross multiply
    375,949.71x = 518,838.09 × 214,801.29
  4. Step 4: Simplify right side
    375,949.71x = 111,447,091,033.14
  5. Step 5: Solve for x
    x = 111,447,091,033.14/375,949.71
  6. Step 6: Final answer
    x = 296,441.49

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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.