Finding the Fourth Proportional to 374,684.36, 517,063.26 and 202,601.12
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Solution
The fourth proportional to 374,684.36, 517,063.26 and 202,601.12 is: 279,588.92
Step by Step Solution
- Step 1: Write the proportion equation
374,684.36 : 517,063.26 = 202,601.12 : x - Step 2: Convert to fraction form
374,684.36/517,063.26 = 202,601.12/x - Step 3: Cross multiply
374,684.36x = 517,063.26 × 202,601.12 - Step 4: Simplify right side
374,684.36x = 104,757,595,586.85 - Step 5: Solve for x
x = 104,757,595,586.85/374,684.36 - Step 6: Final answer
x = 279,588.92
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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.