Finding the Fourth Proportional to 543,702.84, 815,554.26 and 169,757.88
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Solution
The fourth proportional to 543,702.84, 815,554.26 and 169,757.88 is: 254,636.82
Step by Step Solution
- Step 1: Write the proportion equation
543,702.84 : 815,554.26 = 169,757.88 : x - Step 2: Convert to fraction form
543,702.84/815,554.26 = 169,757.88/x - Step 3: Cross multiply
543,702.84x = 815,554.26 × 169,757.88 - Step 4: Simplify right side
543,702.84x = 138,446,762,202.57 - Step 5: Solve for x
x = 138,446,762,202.57/543,702.84 - Step 6: Final answer
x = 254,636.82
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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.