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Finding the Fourth Proportional to 375,426, 518,007.24 and 222,512.04

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Solution

The fourth proportional to 375,426, 518,007.24 and 222,512.04 is: 307,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,426 : 518,007.24 = 222,512.04 : x
  2. Step 2: Convert to fraction form
    375,426/518,007.24 = 222,512.04/x
  3. Step 3: Cross multiply
    375,426x = 518,007.24 × 222,512.04
  4. Step 4: Simplify right side
    375,426x = 115,262,847,707.17
  5. Step 5: Solve for x
    x = 115,262,847,707.17/375,426
  6. Step 6: Final answer
    x = 307,018.82

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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.