Finding the Fourth Proportional to 343,476.84, 474,233.09 and 214,611.92
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Solution
The fourth proportional to 343,476.84, 474,233.09 and 214,611.92 is: 296,311.31
Step by Step Solution
- Step 1: Write the proportion equation
343,476.84 : 474,233.09 = 214,611.92 : x - Step 2: Convert to fraction form
343,476.84/474,233.09 = 214,611.92/x - Step 3: Cross multiply
343,476.84x = 474,233.09 × 214,611.92 - Step 4: Simplify right side
343,476.84x = 101,776,073,972.43 - Step 5: Solve for x
x = 101,776,073,972.43/343,476.84 - Step 6: Final answer
x = 296,311.31
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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.