Home / 403,376.06-605,268.21-166,888.46

Finding the Fourth Proportional to 403,376.06, 605,268.21 and 166,888.46

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Solution

The fourth proportional to 403,376.06, 605,268.21 and 166,888.46 is: 250,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,376.06 : 605,268.21 = 166,888.46 : x
  2. Step 2: Convert to fraction form
    403,376.06/605,268.21 = 166,888.46/x
  3. Step 3: Cross multiply
    403,376.06x = 605,268.21 × 166,888.46
  4. Step 4: Simplify right side
    403,376.06x = 101,012,279,453.86
  5. Step 5: Solve for x
    x = 101,012,279,453.86/403,376.06
  6. Step 6: Final answer
    x = 250,417.14

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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.