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Finding the Fourth Proportional to 375,587.83, 518,310.50 and 203,510.45

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Solution

The fourth proportional to 375,587.83, 518,310.50 and 203,510.45 is: 280,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,587.83 : 518,310.50 = 203,510.45 : x
  2. Step 2: Convert to fraction form
    375,587.83/518,310.50 = 203,510.45/x
  3. Step 3: Cross multiply
    375,587.83x = 518,310.50 × 203,510.45
  4. Step 4: Simplify right side
    375,587.83x = 105,481,603,372.95
  5. Step 5: Solve for x
    x = 105,481,603,372.95/375,587.83
  6. Step 6: Final answer
    x = 280,844.04

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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.