Home / 371,219.22-512,282.49-201,453.36

Finding the Fourth Proportional to 371,219.22, 512,282.49 and 201,453.36

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Solution

The fourth proportional to 371,219.22, 512,282.49 and 201,453.36 is: 278,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,219.22 : 512,282.49 = 201,453.36 : x
  2. Step 2: Convert to fraction form
    371,219.22/512,282.49 = 201,453.36/x
  3. Step 3: Cross multiply
    371,219.22x = 512,282.49 × 201,453.36
  4. Step 4: Simplify right side
    371,219.22x = 103,201,028,879.67
  5. Step 5: Solve for x
    x = 103,201,028,879.67/371,219.22
  6. Step 6: Final answer
    x = 278,005.62

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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.