Finding the Fourth Proportional to 368,403.09, 552,305.28 and 165,850.44
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Solution
The fourth proportional to 368,403.09, 552,305.28 and 165,850.44 is: 248,640.89
Step by Step Solution
- Step 1: Write the proportion equation
368,403.09 : 552,305.28 = 165,850.44 : x - Step 2: Convert to fraction form
368,403.09/552,305.28 = 165,850.44/x - Step 3: Cross multiply
368,403.09x = 552,305.28 × 165,850.44 - Step 4: Simplify right side
368,403.09x = 91,600,073,702.32 - Step 5: Solve for x
x = 91,600,073,702.32/368,403.09 - Step 6: Final answer
x = 248,640.89
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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.