Finding the Fourth Proportional to 106,486.23, 159,729.18 and 27,600.53
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Solution
The fourth proportional to 106,486.23, 159,729.18 and 27,600.53 is: 41,400.74
Step by Step Solution
- Step 1: Write the proportion equation
106,486.23 : 159,729.18 = 27,600.53 : x - Step 2: Convert to fraction form
106,486.23/159,729.18 = 27,600.53/x - Step 3: Cross multiply
106,486.23x = 159,729.18 × 27,600.53 - Step 4: Simplify right side
106,486.23x = 4,408,609,225.82 - Step 5: Solve for x
x = 4,408,609,225.82/106,486.23 - Step 6: Final answer
x = 41,400.74
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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.