Home / 371,216.22-512,278.37-201,450.35

Finding the Fourth Proportional to 371,216.22, 512,278.37 and 201,450.35

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Solution

The fourth proportional to 371,216.22, 512,278.37 and 201,450.35 is: 278,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,216.22 : 512,278.37 = 201,450.35 : x
  2. Step 2: Convert to fraction form
    371,216.22/512,278.37 = 201,450.35/x
  3. Step 3: Cross multiply
    371,216.22x = 512,278.37 × 201,450.35
  4. Step 4: Simplify right side
    371,216.22x = 103,198,653,365.29
  5. Step 5: Solve for x
    x = 103,198,653,365.29/371,216.22
  6. Step 6: Final answer
    x = 278,001.47

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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.