Finding the Fourth Proportional to 207,135.74, 285,844.60 and 116,491.68
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Solution
The fourth proportional to 207,135.74, 285,844.60 and 116,491.68 is: 160,756.99
Step by Step Solution
- Step 1: Write the proportion equation
207,135.74 : 285,844.60 = 116,491.68 : x - Step 2: Convert to fraction form
207,135.74/285,844.60 = 116,491.68/x - Step 3: Cross multiply
207,135.74x = 285,844.60 × 116,491.68 - Step 4: Simplify right side
207,135.74x = 33,298,517,672.93 - Step 5: Solve for x
x = 33,298,517,672.93/207,135.74 - Step 6: Final answer
x = 160,756.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.