Finding the Fourth Proportional to 509,770.82, 703,472.28 and 277,192.74
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Solution
The fourth proportional to 509,770.82, 703,472.28 and 277,192.74 is: 382,519.75
Step by Step Solution
- Step 1: Write the proportion equation
509,770.82 : 703,472.28 = 277,192.74 : x - Step 2: Convert to fraction form
509,770.82/703,472.28 = 277,192.74/x - Step 3: Cross multiply
509,770.82x = 703,472.28 × 277,192.74 - Step 4: Simplify right side
509,770.82x = 194,997,408,807.25 - Step 5: Solve for x
x = 194,997,408,807.25/509,770.82 - Step 6: Final answer
x = 382,519.75
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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.