Finding the Fourth Proportional to 379,577.08, 523,762.84 and 216,237.88
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Solution
The fourth proportional to 379,577.08, 523,762.84 and 216,237.88 is: 298,377.78
Step by Step Solution
- Step 1: Write the proportion equation
379,577.08 : 523,762.84 = 216,237.88 : x - Step 2: Convert to fraction form
379,577.08/523,762.84 = 216,237.88/x - Step 3: Cross multiply
379,577.08x = 523,762.84 × 216,237.88 - Step 4: Simplify right side
379,577.08x = 113,257,366,144.38 - Step 5: Solve for x
x = 113,257,366,144.38/379,577.08 - Step 6: Final answer
x = 298,377.78
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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.