Finding the Fourth Proportional to 277,403.72, 382,813.36 and 154,897.99
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Solution
The fourth proportional to 277,403.72, 382,813.36 and 154,897.99 is: 213,757.12
Step by Step Solution
- Step 1: Write the proportion equation
277,403.72 : 382,813.36 = 154,897.99 : x - Step 2: Convert to fraction form
277,403.72/382,813.36 = 154,897.99/x - Step 3: Cross multiply
277,403.72x = 382,813.36 × 154,897.99 - Step 4: Simplify right side
277,403.72x = 59,297,019,234.66 - Step 5: Solve for x
x = 59,297,019,234.66/277,403.72 - Step 6: Final answer
x = 213,757.12
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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.