Home / 449,268.12-619,986.96-248,064.12

Finding the Fourth Proportional to 449,268.12, 619,986.96 and 248,064.12

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Solution

The fourth proportional to 449,268.12, 619,986.96 and 248,064.12 is: 342,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,268.12 : 619,986.96 = 248,064.12 : x
  2. Step 2: Convert to fraction form
    449,268.12/619,986.96 = 248,064.12/x
  3. Step 3: Cross multiply
    449,268.12x = 619,986.96 × 248,064.12
  4. Step 4: Simplify right side
    449,268.12x = 153,796,519,643.88
  5. Step 5: Solve for x
    x = 153,796,519,643.88/449,268.12
  6. Step 6: Final answer
    x = 342,326.80

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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.