Finding the Fourth Proportional to 221,033.07, 304,892.69 and 134,952.75
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Solution
The fourth proportional to 221,033.07, 304,892.69 and 134,952.75 is: 186,153.62
Step by Step Solution
- Step 1: Write the proportion equation
221,033.07 : 304,892.69 = 134,952.75 : x - Step 2: Convert to fraction form
221,033.07/304,892.69 = 134,952.75/x - Step 3: Cross multiply
221,033.07x = 304,892.69 × 134,952.75 - Step 4: Simplify right side
221,033.07x = 41,146,106,295.63 - Step 5: Solve for x
x = 41,146,106,295.63/221,033.07 - Step 6: Final answer
x = 186,153.62
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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.