Finding the Fourth Proportional to 471,331.68, 706,890.66 and 134,364.84
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Solution
The fourth proportional to 471,331.68, 706,890.66 and 134,364.84 is: 201,516.80
Step by Step Solution
- Step 1: Write the proportion equation
471,331.68 : 706,890.66 = 134,364.84 : x - Step 2: Convert to fraction form
471,331.68/706,890.66 = 134,364.84/x - Step 3: Cross multiply
471,331.68x = 706,890.66 × 134,364.84 - Step 4: Simplify right side
471,331.68x = 94,981,250,428.39 - Step 5: Solve for x
x = 94,981,250,428.39/471,331.68 - Step 6: Final answer
x = 201,516.80
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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.