Finding the Fourth Proportional to 378,325.68, 522,095.23 and 206,243.74
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Solution
The fourth proportional to 378,325.68, 522,095.23 and 206,243.74 is: 284,619.52
Step by Step Solution
- Step 1: Write the proportion equation
378,325.68 : 522,095.23 = 206,243.74 : x - Step 2: Convert to fraction form
378,325.68/522,095.23 = 206,243.74/x - Step 3: Cross multiply
378,325.68x = 522,095.23 × 206,243.74 - Step 4: Simplify right side
378,325.68x = 107,678,872,871.36 - Step 5: Solve for x
x = 107,678,872,871.36/378,325.68 - Step 6: Final answer
x = 284,619.52
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1.5x scale
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.