Home / 374,930.40-517,397.04-205,161.12

Finding the Fourth Proportional to 374,930.40, 517,397.04 and 205,161.12

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Solution

The fourth proportional to 374,930.40, 517,397.04 and 205,161.12 is: 283,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,930.40 : 517,397.04 = 205,161.12 : x
  2. Step 2: Convert to fraction form
    374,930.40/517,397.04 = 205,161.12/x
  3. Step 3: Cross multiply
    374,930.40x = 517,397.04 × 205,161.12
  4. Step 4: Simplify right side
    374,930.40x = 106,149,756,211.09
  5. Step 5: Solve for x
    x = 106,149,756,211.09/374,930.40
  6. Step 6: Final answer
    x = 283,118.56

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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.