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Finding the Fourth Proportional to 375,501.38, 518,172.09 and 214,350.02

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Solution

The fourth proportional to 375,501.38, 518,172.09 and 214,350.02 is: 295,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,501.38 : 518,172.09 = 214,350.02 : x
  2. Step 2: Convert to fraction form
    375,501.38/518,172.09 = 214,350.02/x
  3. Step 3: Cross multiply
    375,501.38x = 518,172.09 × 214,350.02
  4. Step 4: Simplify right side
    375,501.38x = 111,070,197,854.94
  5. Step 5: Solve for x
    x = 111,070,197,854.94/375,501.38
  6. Step 6: Final answer
    x = 295,791.72

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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.