Home / 375,345.20-518,013.62-214,224.66

Finding the Fourth Proportional to 375,345.20, 518,013.62 and 214,224.66

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Solution

The fourth proportional to 375,345.20, 518,013.62 and 214,224.66 is: 295,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,345.20 : 518,013.62 = 214,224.66 : x
  2. Step 2: Convert to fraction form
    375,345.20/518,013.62 = 214,224.66/x
  3. Step 3: Cross multiply
    375,345.20x = 518,013.62 × 214,224.66
  4. Step 4: Simplify right side
    375,345.20x = 110,971,291,619.87
  5. Step 5: Solve for x
    x = 110,971,291,619.87/375,345.20
  6. Step 6: Final answer
    x = 295,651.29

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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.