Finding the Fourth Proportional to 377,853.53, 521,427.71 and 205,768.05
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Solution
The fourth proportional to 377,853.53, 521,427.71 and 205,768.05 is: 283,954.38
Step by Step Solution
- Step 1: Write the proportion equation
377,853.53 : 521,427.71 = 205,768.05 : x - Step 2: Convert to fraction form
377,853.53/521,427.71 = 205,768.05/x - Step 3: Cross multiply
377,853.53x = 521,427.71 × 205,768.05 - Step 4: Simplify right side
377,853.53x = 107,293,162,073.83 - Step 5: Solve for x
x = 107,293,162,073.83/377,853.53 - Step 6: Final answer
x = 283,954.38
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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.