Finding the Fourth Proportional to 543,249.58, 749,677.08 and 301,531.54
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Solution
The fourth proportional to 543,249.58, 749,677.08 and 301,531.54 is: 416,109.45
Step by Step Solution
- Step 1: Write the proportion equation
543,249.58 : 749,677.08 = 301,531.54 : x - Step 2: Convert to fraction form
543,249.58/749,677.08 = 301,531.54/x - Step 3: Cross multiply
543,249.58x = 749,677.08 × 301,531.54 - Step 4: Simplify right side
543,249.58x = 226,051,284,435.10 - Step 5: Solve for x
x = 226,051,284,435.10/543,249.58 - Step 6: Final answer
x = 416,109.45
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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.