Finding the Fourth Proportional to 342,544.44, 472,553.58 and 221,724.60
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Solution
The fourth proportional to 342,544.44, 472,553.58 and 221,724.60 is: 305,877.84
Step by Step Solution
- Step 1: Write the proportion equation
342,544.44 : 472,553.58 = 221,724.60 : x - Step 2: Convert to fraction form
342,544.44/472,553.58 = 221,724.60/x - Step 3: Cross multiply
342,544.44x = 472,553.58 × 221,724.60 - Step 4: Simplify right side
342,544.44x = 104,776,753,504.07 - Step 5: Solve for x
x = 104,776,753,504.07/342,544.44 - Step 6: Final answer
x = 305,877.84
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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.