Finding the Fourth Proportional to 221,102.25, 305,122.13 and 125,614.18
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Solution
The fourth proportional to 221,102.25, 305,122.13 and 125,614.18 is: 173,348.15
Step by Step Solution
- Step 1: Write the proportion equation
221,102.25 : 305,122.13 = 125,614.18 : x - Step 2: Convert to fraction form
221,102.25/305,122.13 = 125,614.18/x - Step 3: Cross multiply
221,102.25x = 305,122.13 × 125,614.18 - Step 4: Simplify right side
221,102.25x = 38,327,666,159.80 - Step 5: Solve for x
x = 38,327,666,159.80/221,102.25 - Step 6: Final answer
x = 173,348.15
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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.