Home / 371,268.06-512,350.20-201,502.14

Finding the Fourth Proportional to 371,268.06, 512,350.20 and 201,502.14

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Solution

The fourth proportional to 371,268.06, 512,350.20 and 201,502.14 is: 278,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,268.06 : 512,350.20 = 201,502.14 : x
  2. Step 2: Convert to fraction form
    371,268.06/512,350.20 = 201,502.14/x
  3. Step 3: Cross multiply
    371,268.06x = 512,350.20 × 201,502.14
  4. Step 4: Simplify right side
    371,268.06x = 103,239,661,729.43
  5. Step 5: Solve for x
    x = 103,239,661,729.43/371,268.06
  6. Step 6: Final answer
    x = 278,073.10

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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.