Finding the Fourth Proportional to 543,149.38, 749,523.93 and 301,442.02
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Solution
The fourth proportional to 543,149.38, 749,523.93 and 301,442.02 is: 415,977.66
Step by Step Solution
- Step 1: Write the proportion equation
543,149.38 : 749,523.93 = 301,442.02 : x - Step 2: Convert to fraction form
543,149.38/749,523.93 = 301,442.02/x - Step 3: Cross multiply
543,149.38x = 749,523.93 × 301,442.02 - Step 4: Simplify right side
543,149.38x = 225,938,007,497.54 - Step 5: Solve for x
x = 225,938,007,497.54/543,149.38 - Step 6: Final answer
x = 415,977.66
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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.