Finding the Fourth Proportional to 429,442.75, 592,685.67 and 259,678.09
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Solution
The fourth proportional to 429,442.75, 592,685.67 and 259,678.09 is: 358,388.83
Step by Step Solution
- Step 1: Write the proportion equation
429,442.75 : 592,685.67 = 259,678.09 : x - Step 2: Convert to fraction form
429,442.75/592,685.67 = 259,678.09/x - Step 3: Cross multiply
429,442.75x = 592,685.67 × 259,678.09 - Step 4: Simplify right side
429,442.75x = 153,907,482,755.97 - Step 5: Solve for x
x = 153,907,482,755.97/429,442.75 - Step 6: Final answer
x = 358,388.83
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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.