Finding the Fourth Proportional to 756,129.44, 1,134,194.17 and 223,609
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Solution
The fourth proportional to 756,129.44, 1,134,194.17 and 223,609 is: 335,413.50
Step by Step Solution
- Step 1: Write the proportion equation
756,129.44 : 1,134,194.17 = 223,609 : x - Step 2: Convert to fraction form
756,129.44/1,134,194.17 = 223,609/x - Step 3: Cross multiply
756,129.44x = 1,134,194.17 × 223,609 - Step 4: Simplify right side
756,129.44x = 253,616,024,159.53 - Step 5: Solve for x
x = 253,616,024,159.53/756,129.44 - Step 6: Final answer
x = 335,413.50
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Similar ratio
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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.