Finding the Fourth Proportional to 158,493.61, 237,843.49 and 68,624.09
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Solution
The fourth proportional to 158,493.61, 237,843.49 and 68,624.09 is: 102,980.76
Step by Step Solution
- Step 1: Write the proportion equation
158,493.61 : 237,843.49 = 68,624.09 : x - Step 2: Convert to fraction form
158,493.61/237,843.49 = 68,624.09/x - Step 3: Cross multiply
158,493.61x = 237,843.49 × 68,624.09 - Step 4: Simplify right side
158,493.61x = 16,321,792,485.10 - Step 5: Solve for x
x = 16,321,792,485.10/158,493.61 - Step 6: Final answer
x = 102,980.76
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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.