Finding the Fourth Proportional to 272,557.62, 408,970.89 and 122,902.02
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Solution
The fourth proportional to 272,557.62, 408,970.89 and 122,902.02 is: 184,413.66
Step by Step Solution
- Step 1: Write the proportion equation
272,557.62 : 408,970.89 = 122,902.02 : x - Step 2: Convert to fraction form
272,557.62/408,970.89 = 122,902.02/x - Step 3: Cross multiply
272,557.62x = 408,970.89 × 122,902.02 - Step 4: Simplify right side
272,557.62x = 50,263,348,502.20 - Step 5: Solve for x
x = 50,263,348,502.20/272,557.62 - Step 6: Final answer
x = 184,413.66
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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.