Finding the Fourth Proportional to 382,403.62, 527,723.67 and 210,340.18
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Solution
The fourth proportional to 382,403.62, 527,723.67 and 210,340.18 is: 290,273.12
Step by Step Solution
- Step 1: Write the proportion equation
382,403.62 : 527,723.67 = 210,340.18 : x - Step 2: Convert to fraction form
382,403.62/527,723.67 = 210,340.18/x - Step 3: Cross multiply
382,403.62x = 527,723.67 × 210,340.18 - Step 4: Simplify right side
382,403.62x = 111,001,491,738.06 - Step 5: Solve for x
x = 111,001,491,738.06/382,403.62 - Step 6: Final answer
x = 290,273.12
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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.