Finding the Fourth Proportional to 221,739.97, 305,641.66 and 173,257.12
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Solution
The fourth proportional to 221,739.97, 305,641.66 and 173,257.12 is: 238,813.92
Step by Step Solution
- Step 1: Write the proportion equation
221,739.97 : 305,641.66 = 173,257.12 : x - Step 2: Convert to fraction form
221,739.97/305,641.66 = 173,257.12/x - Step 3: Cross multiply
221,739.97x = 305,641.66 × 173,257.12 - Step 4: Simplify right side
221,739.97x = 52,954,591,369.13 - Step 5: Solve for x
x = 52,954,591,369.13/221,739.97 - Step 6: Final answer
x = 238,813.92
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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.