Finding the Fourth Proportional to 117,351.79, 175,981.62 and 41,434.14
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Solution
The fourth proportional to 117,351.79, 175,981.62 and 41,434.14 is: 62,134.95
Step by Step Solution
- Step 1: Write the proportion equation
117,351.79 : 175,981.62 = 41,434.14 : x - Step 2: Convert to fraction form
117,351.79/175,981.62 = 41,434.14/x - Step 3: Cross multiply
117,351.79x = 175,981.62 × 41,434.14 - Step 4: Simplify right side
117,351.79x = 7,291,647,080.51 - Step 5: Solve for x
x = 7,291,647,080.51/117,351.79 - Step 6: Final answer
x = 62,134.95
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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.