Finding the Fourth Proportional to 266,553.91, 399,633.34 and 161,347.99
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Solution
The fourth proportional to 266,553.91, 399,633.34 and 161,347.99 is: 241,902.42
Step by Step Solution
- Step 1: Write the proportion equation
266,553.91 : 399,633.34 = 161,347.99 : x - Step 2: Convert to fraction form
266,553.91/399,633.34 = 161,347.99/x - Step 3: Cross multiply
266,553.91x = 399,633.34 × 161,347.99 - Step 4: Simplify right side
266,553.91x = 64,480,036,145.99 - Step 5: Solve for x
x = 64,480,036,145.99/266,553.91 - Step 6: Final answer
x = 241,902.42
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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.