Finding the Fourth Proportional to 97,811.19, 146,716.70 and 27,690.53
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Solution
The fourth proportional to 97,811.19, 146,716.70 and 27,690.53 is: 41,535.76
Step by Step Solution
- Step 1: Write the proportion equation
97,811.19 : 146,716.70 = 27,690.53 : x - Step 2: Convert to fraction form
97,811.19/146,716.70 = 27,690.53/x - Step 3: Cross multiply
97,811.19x = 146,716.70 × 27,690.53 - Step 4: Simplify right side
97,811.19x = 4,062,662,310.81 - Step 5: Solve for x
x = 4,062,662,310.81/97,811.19 - Step 6: Final answer
x = 41,535.76
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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.