Finding the Fourth Proportional to 512,796.18, 707,643.81 and 283,349.82
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Solution
The fourth proportional to 512,796.18, 707,643.81 and 283,349.82 is: 391,014.51
Step by Step Solution
- Step 1: Write the proportion equation
512,796.18 : 707,643.81 = 283,349.82 : x - Step 2: Convert to fraction form
512,796.18/707,643.81 = 283,349.82/x - Step 3: Cross multiply
512,796.18x = 707,643.81 × 283,349.82 - Step 4: Simplify right side
512,796.18x = 200,510,746,187.61 - Step 5: Solve for x
x = 200,510,746,187.61/512,796.18 - Step 6: Final answer
x = 391,014.51
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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.