Finding the Fourth Proportional to 378,738.90, 522,849.06 and 235,545.08
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Solution
The fourth proportional to 378,738.90, 522,849.06 and 235,545.08 is: 325,169.99
Step by Step Solution
- Step 1: Write the proportion equation
378,738.90 : 522,849.06 = 235,545.08 : x - Step 2: Convert to fraction form
378,738.90/522,849.06 = 235,545.08/x - Step 3: Cross multiply
378,738.90x = 522,849.06 × 235,545.08 - Step 4: Simplify right side
378,738.90x = 123,154,523,665.63 - Step 5: Solve for x
x = 123,154,523,665.63/378,738.90 - Step 6: Final answer
x = 325,169.99
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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.