Home / 374,911.26-517,377.52-205,145.38

Finding the Fourth Proportional to 374,911.26, 517,377.52 and 205,145.38

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Solution

The fourth proportional to 374,911.26, 517,377.52 and 205,145.38 is: 283,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,911.26 : 517,377.52 = 205,145.38 : x
  2. Step 2: Convert to fraction form
    374,911.26/517,377.52 = 205,145.38/x
  3. Step 3: Cross multiply
    374,911.26x = 517,377.52 × 205,145.38
  4. Step 4: Simplify right side
    374,911.26x = 106,137,607,943.86
  5. Step 5: Solve for x
    x = 106,137,607,943.86/374,911.26
  6. Step 6: Final answer
    x = 283,100.61

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1.5x scale

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.