Finding the Fourth Proportional to 356,145.75, 534,218.63 and 106,827.75
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Solution
The fourth proportional to 356,145.75, 534,218.63 and 106,827.75 is: 160,241.63
Step by Step Solution
- Step 1: Write the proportion equation
356,145.75 : 534,218.63 = 106,827.75 : x - Step 2: Convert to fraction form
356,145.75/534,218.63 = 106,827.75/x - Step 3: Cross multiply
356,145.75x = 534,218.63 × 106,827.75 - Step 4: Simplify right side
356,145.75x = 57,069,374,250.98 - Step 5: Solve for x
x = 57,069,374,250.98/356,145.75 - Step 6: Final answer
x = 160,241.63
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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.