Finding the Fourth Proportional to 512,583.06, 707,361.81 and 283,156.14
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Solution
The fourth proportional to 512,583.06, 707,361.81 and 283,156.14 is: 390,753.92
Step by Step Solution
- Step 1: Write the proportion equation
512,583.06 : 707,361.81 = 283,156.14 : x - Step 2: Convert to fraction form
512,583.06/707,361.81 = 283,156.14/x - Step 3: Cross multiply
512,583.06x = 707,361.81 × 283,156.14 - Step 4: Simplify right side
512,583.06x = 200,293,839,703.01 - Step 5: Solve for x
x = 200,293,839,703.01/512,583.06 - Step 6: Final answer
x = 390,753.92
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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.