Home / 213,500.00-320,643.66-169,410.08

Finding the Fourth Proportional to 213,500.00, 320,643.66 and 169,410.08

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Solution

The fourth proportional to 213,500.00, 320,643.66 and 169,410.08 is: 254,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,500.00 : 320,643.66 = 169,410.08 : x
  2. Step 2: Convert to fraction form
    213,500.00/320,643.66 = 169,410.08/x
  3. Step 3: Cross multiply
    213,500.00x = 320,643.66 × 169,410.08
  4. Step 4: Simplify right side
    213,500.00x = 54,320,269,528.99
  5. Step 5: Solve for x
    x = 54,320,269,528.99/213,500.00
  6. Step 6: Final answer
    x = 254,427.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.