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Finding the Fourth Proportional to 375,845.16, 518,690.34 and 248,297.16

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Solution

The fourth proportional to 375,845.16, 518,690.34 and 248,297.16 is: 342,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,845.16 : 518,690.34 = 248,297.16 : x
  2. Step 2: Convert to fraction form
    375,845.16/518,690.34 = 248,297.16/x
  3. Step 3: Cross multiply
    375,845.16x = 518,690.34 × 248,297.16
  4. Step 4: Simplify right side
    375,845.16x = 128,789,338,341.43
  5. Step 5: Solve for x
    x = 128,789,338,341.43/375,845.16
  6. Step 6: Final answer
    x = 342,665.95

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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.