Finding the Fourth Proportional to 221,365.44, 305,482.86 and 125,872.14
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Solution
The fourth proportional to 221,365.44, 305,482.86 and 125,872.14 is: 173,702.73
Step by Step Solution
- Step 1: Write the proportion equation
221,365.44 : 305,482.86 = 125,872.14 : x - Step 2: Convert to fraction form
221,365.44/305,482.86 = 125,872.14/x - Step 3: Cross multiply
221,365.44x = 305,482.86 × 125,872.14 - Step 4: Simplify right side
221,365.44x = 38,451,781,321.52 - Step 5: Solve for x
x = 38,451,781,321.52/221,365.44 - Step 6: Final answer
x = 173,702.73
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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.