Finding the Fourth Proportional to 382,032.01, 527,202.21 and 209,960.65
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Solution
The fourth proportional to 382,032.01, 527,202.21 and 209,960.65 is: 289,744.62
Step by Step Solution
- Step 1: Write the proportion equation
382,032.01 : 527,202.21 = 209,960.65 : x - Step 2: Convert to fraction form
382,032.01/527,202.21 = 209,960.65/x - Step 3: Cross multiply
382,032.01x = 527,202.21 × 209,960.65 - Step 4: Simplify right side
382,032.01x = 110,691,718,693.04 - Step 5: Solve for x
x = 110,691,718,693.04/382,032.01 - Step 6: Final answer
x = 289,744.62
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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.