Home / 352,428.98-486,359.25-199,467.16

Finding the Fourth Proportional to 352,428.98, 486,359.25 and 199,467.16

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Solution

The fourth proportional to 352,428.98, 486,359.25 and 199,467.16 is: 275,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,428.98 : 486,359.25 = 199,467.16 : x
  2. Step 2: Convert to fraction form
    352,428.98/486,359.25 = 199,467.16/x
  3. Step 3: Cross multiply
    352,428.98x = 486,359.25 × 199,467.16
  4. Step 4: Simplify right side
    352,428.98x = 97,012,697,339.89
  5. Step 5: Solve for x
    x = 97,012,697,339.89/352,428.98
  6. Step 6: Final answer
    x = 275,268.79

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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.