Finding the Fourth Proportional to 540,751.91, 811,129.62 and 203,702.09
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Solution
The fourth proportional to 540,751.91, 811,129.62 and 203,702.09 is: 305,553.79
Step by Step Solution
- Step 1: Write the proportion equation
540,751.91 : 811,129.62 = 203,702.09 : x - Step 2: Convert to fraction form
540,751.91/811,129.62 = 203,702.09/x - Step 3: Cross multiply
540,751.91x = 811,129.62 × 203,702.09 - Step 4: Simplify right side
540,751.91x = 165,228,794,799.26 - Step 5: Solve for x
x = 165,228,794,799.26/540,751.91 - Step 6: Final answer
x = 305,553.79
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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.