Finding the Fourth Proportional to 224,723.73, 310,092.79 and 129,261.18
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Solution
The fourth proportional to 224,723.73, 310,092.79 and 129,261.18 is: 178,365.50
Step by Step Solution
- Step 1: Write the proportion equation
224,723.73 : 310,092.79 = 129,261.18 : x - Step 2: Convert to fraction form
224,723.73/310,092.79 = 129,261.18/x - Step 3: Cross multiply
224,723.73x = 310,092.79 × 129,261.18 - Step 4: Simplify right side
224,723.73x = 40,082,959,944.89 - Step 5: Solve for x
x = 40,082,959,944.89/224,723.73 - Step 6: Final answer
x = 178,365.50
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1.5x scale
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.