Home / 374,941.61-517,419.47-205,175.75

Finding the Fourth Proportional to 374,941.61, 517,419.47 and 205,175.75

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Solution

The fourth proportional to 374,941.61, 517,419.47 and 205,175.75 is: 283,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,941.61 : 517,419.47 = 205,175.75 : x
  2. Step 2: Convert to fraction form
    374,941.61/517,419.47 = 205,175.75/x
  3. Step 3: Cross multiply
    374,941.61x = 517,419.47 × 205,175.75
  4. Step 4: Simplify right side
    374,941.61x = 106,161,927,821.85
  5. Step 5: Solve for x
    x = 106,161,927,821.85/374,941.61
  6. Step 6: Final answer
    x = 283,142.56

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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.