Home / 374,942.11-517,420.16-205,176.25

Finding the Fourth Proportional to 374,942.11, 517,420.16 and 205,176.25

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Solution

The fourth proportional to 374,942.11, 517,420.16 and 205,176.25 is: 283,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,942.11 : 517,420.16 = 205,176.25 : x
  2. Step 2: Convert to fraction form
    374,942.11/517,420.16 = 205,176.25/x
  3. Step 3: Cross multiply
    374,942.11x = 517,420.16 × 205,176.25
  4. Step 4: Simplify right side
    374,942.11x = 106,162,328,103.20
  5. Step 5: Solve for x
    x = 106,162,328,103.20/374,942.11
  6. Step 6: Final answer
    x = 283,143.25

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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.