Finding the Fourth Proportional to 354,199.09, 488,791.62 and 193,054.15
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Solution
The fourth proportional to 354,199.09, 488,791.62 and 193,054.15 is: 266,413.02
Step by Step Solution
- Step 1: Write the proportion equation
354,199.09 : 488,791.62 = 193,054.15 : x - Step 2: Convert to fraction form
354,199.09/488,791.62 = 193,054.15/x - Step 3: Cross multiply
354,199.09x = 488,791.62 × 193,054.15 - Step 4: Simplify right side
354,199.09x = 94,363,250,726.22 - Step 5: Solve for x
x = 94,363,250,726.22/354,199.09 - Step 6: Final answer
x = 266,413.02
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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.