Finding the Fourth Proportional to 117,812.14, 176,651.26 and 80,417.48
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Solution
The fourth proportional to 117,812.14, 176,651.26 and 80,417.48 is: 120,580.52
Step by Step Solution
- Step 1: Write the proportion equation
117,812.14 : 176,651.26 = 80,417.48 : x - Step 2: Convert to fraction form
117,812.14/176,651.26 = 80,417.48/x - Step 3: Cross multiply
117,812.14x = 176,651.26 × 80,417.48 - Step 4: Simplify right side
117,812.14x = 14,205,849,168.02 - Step 5: Solve for x
x = 14,205,849,168.02/117,812.14 - Step 6: Final answer
x = 120,580.52
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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.