Finding the Fourth Proportional to 158,046.74, 236,946.87 and 107,311.99
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Solution
The fourth proportional to 158,046.74, 236,946.87 and 107,311.99 is: 160,884.30
Step by Step Solution
- Step 1: Write the proportion equation
158,046.74 : 236,946.87 = 107,311.99 : x - Step 2: Convert to fraction form
158,046.74/236,946.87 = 107,311.99/x - Step 3: Cross multiply
158,046.74x = 236,946.87 × 107,311.99 - Step 4: Simplify right side
158,046.74x = 25,427,239,995.88 - Step 5: Solve for x
x = 25,427,239,995.88/158,046.74 - Step 6: Final answer
x = 160,884.30
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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.