Finding the Fourth Proportional to 158,096.24, 218,179.80 and 91,049.84
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Solution
The fourth proportional to 158,096.24, 218,179.80 and 91,049.84 is: 125,652.80
Step by Step Solution
- Step 1: Write the proportion equation
158,096.24 : 218,179.80 = 91,049.84 : x - Step 2: Convert to fraction form
158,096.24/218,179.80 = 91,049.84/x - Step 3: Cross multiply
158,096.24x = 218,179.80 × 91,049.84 - Step 4: Simplify right side
158,096.24x = 19,865,235,881.23 - Step 5: Solve for x
x = 19,865,235,881.23/158,096.24 - Step 6: Final answer
x = 125,652.80
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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.