Finding the Fourth Proportional to 158,788.35, 238,057.79 and 108,716.99
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Solution
The fourth proportional to 158,788.35, 238,057.79 and 108,716.99 is: 162,990.07
Step by Step Solution
- Step 1: Write the proportion equation
158,788.35 : 238,057.79 = 108,716.99 : x - Step 2: Convert to fraction form
158,788.35/238,057.79 = 108,716.99/x - Step 3: Cross multiply
158,788.35x = 238,057.79 × 108,716.99 - Step 4: Simplify right side
158,788.35x = 25,880,924,640.98 - Step 5: Solve for x
x = 25,880,924,640.98/158,788.35 - Step 6: Final answer
x = 162,990.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.