Home / 409,716.09-565,362.59-248,610.33

Finding the Fourth Proportional to 409,716.09, 565,362.59 and 248,610.33

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Solution

The fourth proportional to 409,716.09, 565,362.59 and 248,610.33 is: 343,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,716.09 : 565,362.59 = 248,610.33 : x
  2. Step 2: Convert to fraction form
    409,716.09/565,362.59 = 248,610.33/x
  3. Step 3: Cross multiply
    409,716.09x = 565,362.59 × 248,610.33
  4. Step 4: Simplify right side
    409,716.09x = 140,554,978,826.50
  5. Step 5: Solve for x
    x = 140,554,978,826.50/409,716.09
  6. Step 6: Final answer
    x = 343,054.57

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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.