Finding the Fourth Proportional to 215,311.68, 297,127.98 and 119,816.73
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Solution
The fourth proportional to 215,311.68, 297,127.98 and 119,816.73 is: 165,345.90
Step by Step Solution
- Step 1: Write the proportion equation
215,311.68 : 297,127.98 = 119,816.73 : x - Step 2: Convert to fraction form
215,311.68/297,127.98 = 119,816.73/x - Step 3: Cross multiply
215,311.68x = 297,127.98 × 119,816.73 - Step 4: Simplify right side
215,311.68x = 35,600,902,955.11 - Step 5: Solve for x
x = 35,600,902,955.11/215,311.68 - Step 6: Final answer
x = 165,345.90
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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.