Finding the Fourth Proportional to 543,259.80, 814,889.70 and 277,539.30
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Solution
The fourth proportional to 543,259.80, 814,889.70 and 277,539.30 is: 416,308.95
Step by Step Solution
- Step 1: Write the proportion equation
543,259.80 : 814,889.70 = 277,539.30 : x - Step 2: Convert to fraction form
543,259.80/814,889.70 = 277,539.30/x - Step 3: Cross multiply
543,259.80x = 814,889.70 × 277,539.30 - Step 4: Simplify right side
543,259.80x = 226,163,916,915.21 - Step 5: Solve for x
x = 226,163,916,915.21/543,259.80 - Step 6: Final answer
x = 416,308.95
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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.