Finding the Fourth Proportional to 379,824.22, 569,560.68 and 139,877.54
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Solution
The fourth proportional to 379,824.22, 569,560.68 and 139,877.54 is: 209,751.62
Step by Step Solution
- Step 1: Write the proportion equation
379,824.22 : 569,560.68 = 139,877.54 : x - Step 2: Convert to fraction form
379,824.22/569,560.68 = 139,877.54/x - Step 3: Cross multiply
379,824.22x = 569,560.68 × 139,877.54 - Step 4: Simplify right side
379,824.22x = 79,668,746,799.13 - Step 5: Solve for x
x = 79,668,746,799.13/379,824.22 - Step 6: Final answer
x = 209,751.62
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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.