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Finding the Fourth Proportional to 375,757.21, 518,600.35 and 237,948.72

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Solution

The fourth proportional to 375,757.21, 518,600.35 and 237,948.72 is: 328,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,757.21 : 518,600.35 = 237,948.72 : x
  2. Step 2: Convert to fraction form
    375,757.21/518,600.35 = 237,948.72/x
  3. Step 3: Cross multiply
    375,757.21x = 518,600.35 × 237,948.72
  4. Step 4: Simplify right side
    375,757.21x = 123,400,287,826.74
  5. Step 5: Solve for x
    x = 123,400,287,826.74/375,757.21
  6. Step 6: Final answer
    x = 328,404.31

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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.