Home / 374,930.28-517,403.82-205,164.42

Finding the Fourth Proportional to 374,930.28, 517,403.82 and 205,164.42

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Solution

The fourth proportional to 374,930.28, 517,403.82 and 205,164.42 is: 283,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,930.28 : 517,403.82 = 205,164.42 : x
  2. Step 2: Convert to fraction form
    374,930.28/517,403.82 = 205,164.42/x
  3. Step 3: Cross multiply
    374,930.28x = 517,403.82 × 205,164.42
  4. Step 4: Simplify right side
    374,930.28x = 106,152,854,636.08
  5. Step 5: Solve for x
    x = 106,152,854,636.08/374,930.28
  6. Step 6: Final answer
    x = 283,126.92

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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.