Finding the Fourth Proportional to 543,644.82, 750,225.48 and 298,633.62
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Solution
The fourth proportional to 543,644.82, 750,225.48 and 298,633.62 is: 412,111.99
Step by Step Solution
- Step 1: Write the proportion equation
543,644.82 : 750,225.48 = 298,633.62 : x - Step 2: Convert to fraction form
543,644.82/750,225.48 = 298,633.62/x - Step 3: Cross multiply
543,644.82x = 750,225.48 × 298,633.62 - Step 4: Simplify right side
543,644.82x = 224,042,550,908.64 - Step 5: Solve for x
x = 224,042,550,908.64/543,644.82 - Step 6: Final answer
x = 412,111.99
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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.