Finding the Fourth Proportional to 208,784.68, 313,147.86 and 88,889.70
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Solution
The fourth proportional to 208,784.68, 313,147.86 and 88,889.70 is: 133,322.14
Step by Step Solution
- Step 1: Write the proportion equation
208,784.68 : 313,147.86 = 88,889.70 : x - Step 2: Convert to fraction form
208,784.68/313,147.86 = 88,889.70/x - Step 3: Cross multiply
208,784.68x = 313,147.86 × 88,889.70 - Step 4: Simplify right side
208,784.68x = 27,835,619,331.04 - Step 5: Solve for x
x = 27,835,619,331.04/208,784.68 - Step 6: Final answer
x = 133,322.14
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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.