Finding the Fourth Proportional to 399,832.20, 551,767.64 and 227,750.10
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Solution
The fourth proportional to 399,832.20, 551,767.64 and 227,750.10 is: 314,294.68
Step by Step Solution
- Step 1: Write the proportion equation
399,832.20 : 551,767.64 = 227,750.10 : x - Step 2: Convert to fraction form
399,832.20/551,767.64 = 227,750.10/x - Step 3: Cross multiply
399,832.20x = 551,767.64 × 227,750.10 - Step 4: Simplify right side
399,832.20x = 125,665,135,186.76 - Step 5: Solve for x
x = 125,665,135,186.76/399,832.20 - Step 6: Final answer
x = 314,294.68
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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.