Home / 371,683.35-512,923.64-201,917.61

Finding the Fourth Proportional to 371,683.35, 512,923.64 and 201,917.61

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Solution

The fourth proportional to 371,683.35, 512,923.64 and 201,917.61 is: 278,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,683.35 : 512,923.64 = 201,917.61 : x
  2. Step 2: Convert to fraction form
    371,683.35/512,923.64 = 201,917.61/x
  3. Step 3: Cross multiply
    371,683.35x = 512,923.64 × 201,917.61
  4. Step 4: Simplify right side
    371,683.35x = 103,568,314,491.71
  5. Step 5: Solve for x
    x = 103,568,314,491.71/371,683.35
  6. Step 6: Final answer
    x = 278,646.63

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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.