Finding the Fourth Proportional to 158,711.31, 237,976.70 and 122,675.00
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Solution
The fourth proportional to 158,711.31, 237,976.70 and 122,675.00 is: 183,942.72
Step by Step Solution
- Step 1: Write the proportion equation
158,711.31 : 237,976.70 = 122,675.00 : x - Step 2: Convert to fraction form
158,711.31/237,976.70 = 122,675.00/x - Step 3: Cross multiply
158,711.31x = 237,976.70 × 122,675.00 - Step 4: Simplify right side
158,711.31x = 29,193,789,869.24 - Step 5: Solve for x
x = 29,193,789,869.24/158,711.31 - Step 6: Final answer
x = 183,942.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.