Finding the Fourth Proportional to 387,079.19, 580,809.01 and 173,997.65
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Solution
The fourth proportional to 387,079.19, 580,809.01 and 173,997.65 is: 261,081.99
Step by Step Solution
- Step 1: Write the proportion equation
387,079.19 : 580,809.01 = 173,997.65 : x - Step 2: Convert to fraction form
387,079.19/580,809.01 = 173,997.65/x - Step 3: Cross multiply
387,079.19x = 580,809.01 × 173,997.65 - Step 4: Simplify right side
387,079.19x = 101,059,403,855.86 - Step 5: Solve for x
x = 101,059,403,855.86/387,079.19 - Step 6: Final answer
x = 261,081.99
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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.