Finding the Fourth Proportional to 395,242.69, 592,531.79 and 320,176.68
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Solution
The fourth proportional to 395,242.69, 592,531.79 and 320,176.68 is: 479,995.88
Step by Step Solution
- Step 1: Write the proportion equation
395,242.69 : 592,531.79 = 320,176.68 : x - Step 2: Convert to fraction form
395,242.69/592,531.79 = 320,176.68/x - Step 3: Cross multiply
395,242.69x = 592,531.79 × 320,176.68 - Step 4: Simplify right side
395,242.69x = 189,714,859,715.77 - Step 5: Solve for x
x = 189,714,859,715.77/395,242.69 - Step 6: Final answer
x = 479,995.88
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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.