Finding the Fourth Proportional to 158,368.19, 218,546.00 and 86,748.27
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Solution
The fourth proportional to 158,368.19, 218,546.00 and 86,748.27 is: 119,711.46
Step by Step Solution
- Step 1: Write the proportion equation
158,368.19 : 218,546.00 = 86,748.27 : x - Step 2: Convert to fraction form
158,368.19/218,546.00 = 86,748.27/x - Step 3: Cross multiply
158,368.19x = 218,546.00 × 86,748.27 - Step 4: Simplify right side
158,368.19x = 18,958,486,487.44 - Step 5: Solve for x
x = 18,958,486,487.44/158,368.19 - Step 6: Final answer
x = 119,711.46
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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.