Finding the Fourth Proportional to 438,112.14, 657,277.56 and 122,566.68
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Solution
The fourth proportional to 438,112.14, 657,277.56 and 122,566.68 is: 183,880.61
Step by Step Solution
- Step 1: Write the proportion equation
438,112.14 : 657,277.56 = 122,566.68 : x - Step 2: Convert to fraction form
438,112.14/657,277.56 = 122,566.68/x - Step 3: Cross multiply
438,112.14x = 657,277.56 × 122,566.68 - Step 4: Simplify right side
438,112.14x = 80,560,328,367.70 - Step 5: Solve for x
x = 80,560,328,367.70/438,112.14 - Step 6: Final answer
x = 183,880.61
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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.