Finding the Fourth Proportional to 373,812.10, 515,842.68 and 212,651.98
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Solution
The fourth proportional to 373,812.10, 515,842.68 and 212,651.98 is: 293,449.48
Step by Step Solution
- Step 1: Write the proportion equation
373,812.10 : 515,842.68 = 212,651.98 : x - Step 2: Convert to fraction form
373,812.10/515,842.68 = 212,651.98/x - Step 3: Cross multiply
373,812.10x = 515,842.68 × 212,651.98 - Step 4: Simplify right side
373,812.10x = 109,694,967,270.51 - Step 5: Solve for x
x = 109,694,967,270.51/373,812.10 - Step 6: Final answer
x = 293,449.48
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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.