Finding the Fourth Proportional to 291,960.84, 403,015.20 and 227,301.96
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Solution
The fourth proportional to 291,960.84, 403,015.20 and 227,301.96 is: 313,761.75
Step by Step Solution
- Step 1: Write the proportion equation
291,960.84 : 403,015.20 = 227,301.96 : x - Step 2: Convert to fraction form
291,960.84/403,015.20 = 227,301.96/x - Step 3: Cross multiply
291,960.84x = 403,015.20 × 227,301.96 - Step 4: Simplify right side
291,960.84x = 91,606,144,869.79 - Step 5: Solve for x
x = 91,606,144,869.79/291,960.84 - Step 6: Final answer
x = 313,761.75
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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.