Finding the Fourth Proportional to 368,174.15, 552,268.11 and 115,449.09
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Solution
The fourth proportional to 368,174.15, 552,268.11 and 115,449.09 is: 173,175.80
Step by Step Solution
- Step 1: Write the proportion equation
368,174.15 : 552,268.11 = 115,449.09 : x - Step 2: Convert to fraction form
368,174.15/552,268.11 = 115,449.09/x - Step 3: Cross multiply
368,174.15x = 552,268.11 × 115,449.09 - Step 4: Simplify right side
368,174.15x = 63,758,850,735.52 - Step 5: Solve for x
x = 63,758,850,735.52/368,174.15 - Step 6: Final answer
x = 173,175.80
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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.