Home / 374,919.90-517,382.55-205,150.62

Finding the Fourth Proportional to 374,919.90, 517,382.55 and 205,150.62

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Solution

The fourth proportional to 374,919.90, 517,382.55 and 205,150.62 is: 283,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,919.90 : 517,382.55 = 205,150.62 : x
  2. Step 2: Convert to fraction form
    374,919.90/517,382.55 = 205,150.62/x
  3. Step 3: Cross multiply
    374,919.90x = 517,382.55 × 205,150.62
  4. Step 4: Simplify right side
    374,919.90x = 106,141,350,909.68
  5. Step 5: Solve for x
    x = 106,141,350,909.68/374,919.90
  6. Step 6: Final answer
    x = 283,104.07

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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.