Finding the Fourth Proportional to 328,214.87, 452,762.97 and 226,064.66
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Solution
The fourth proportional to 328,214.87, 452,762.97 and 226,064.66 is: 311,849.69
Step by Step Solution
- Step 1: Write the proportion equation
328,214.87 : 452,762.97 = 226,064.66 : x - Step 2: Convert to fraction form
328,214.87/452,762.97 = 226,064.66/x - Step 3: Cross multiply
328,214.87x = 452,762.97 × 226,064.66 - Step 4: Simplify right side
328,214.87x = 102,353,703,762.08 - Step 5: Solve for x
x = 102,353,703,762.08/328,214.87 - Step 6: Final answer
x = 311,849.69
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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.