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Finding the Fourth Proportional to 375,426.61, 518,125.88 and 214,305.88

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Solution

The fourth proportional to 375,426.61, 518,125.88 and 214,305.88 is: 295,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,426.61 : 518,125.88 = 214,305.88 : x
  2. Step 2: Convert to fraction form
    375,426.61/518,125.88 = 214,305.88/x
  3. Step 3: Cross multiply
    375,426.61x = 518,125.88 × 214,305.88
  4. Step 4: Simplify right side
    375,426.61x = 111,037,422,664.17
  5. Step 5: Solve for x
    x = 111,037,422,664.17/375,426.61
  6. Step 6: Final answer
    x = 295,763.33

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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.