Finding the Fourth Proportional to 96,811.20, 145,227.74 and 46,918.44
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Solution
The fourth proportional to 96,811.20, 145,227.74 and 46,918.44 is: 70,382.96
Step by Step Solution
- Step 1: Write the proportion equation
96,811.20 : 145,227.74 = 46,918.44 : x - Step 2: Convert to fraction form
96,811.20/145,227.74 = 46,918.44/x - Step 3: Cross multiply
96,811.20x = 145,227.74 × 46,918.44 - Step 4: Simplify right side
96,811.20x = 6,813,858,770.93 - Step 5: Solve for x
x = 6,813,858,770.93/96,811.20 - Step 6: Final answer
x = 70,382.96
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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.