Finding the Fourth Proportional to 506,697.09, 699,231.18 and 277,253.49
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Solution
The fourth proportional to 506,697.09, 699,231.18 and 277,253.49 is: 382,603.90
Step by Step Solution
- Step 1: Write the proportion equation
506,697.09 : 699,231.18 = 277,253.49 : x - Step 2: Convert to fraction form
506,697.09/699,231.18 = 277,253.49/x - Step 3: Cross multiply
506,697.09x = 699,231.18 × 277,253.49 - Step 4: Simplify right side
506,697.09x = 193,864,284,971.82 - Step 5: Solve for x
x = 193,864,284,971.82/506,697.09 - Step 6: Final answer
x = 382,603.90
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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.