Finding the Fourth Proportional to 154,132.70, 230,853.45 and 133,396.70
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Solution
The fourth proportional to 154,132.70, 230,853.45 and 133,396.70 is: 199,795.94
Step by Step Solution
- Step 1: Write the proportion equation
154,132.70 : 230,853.45 = 133,396.70 : x - Step 2: Convert to fraction form
154,132.70/230,853.45 = 133,396.70/x - Step 3: Cross multiply
154,132.70x = 230,853.45 × 133,396.70 - Step 4: Simplify right side
154,132.70x = 30,795,088,413.62 - Step 5: Solve for x
x = 30,795,088,413.62/154,132.70 - Step 6: Final answer
x = 199,795.94
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1.5x scale
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.