Finding the Fourth Proportional to 221,264.07, 305,343.99 and 120,662.07
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Solution
The fourth proportional to 221,264.07, 305,343.99 and 120,662.07 is: 166,513.42
Step by Step Solution
- Step 1: Write the proportion equation
221,264.07 : 305,343.99 = 120,662.07 : x - Step 2: Convert to fraction form
221,264.07/305,343.99 = 120,662.07/x - Step 3: Cross multiply
221,264.07x = 305,343.99 × 120,662.07 - Step 4: Simplify right side
221,264.07x = 36,843,437,895.46 - Step 5: Solve for x
x = 36,843,437,895.46/221,264.07 - Step 6: Final answer
x = 166,513.42
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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.