Finding the Fourth Proportional to 266,092.38, 399,207.69 and 132,967.26
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Solution
The fourth proportional to 266,092.38, 399,207.69 and 132,967.26 is: 199,485.43
Step by Step Solution
- Step 1: Write the proportion equation
266,092.38 : 399,207.69 = 132,967.26 : x - Step 2: Convert to fraction form
266,092.38/399,207.69 = 132,967.26/x - Step 3: Cross multiply
266,092.38x = 399,207.69 × 132,967.26 - Step 4: Simplify right side
266,092.38x = 53,081,552,710.23 - Step 5: Solve for x
x = 53,081,552,710.23/266,092.38 - Step 6: Final answer
x = 199,485.43
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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.