Finding the Fourth Proportional to 572,082.21, 857,790.99 and 216,902.46
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Solution
The fourth proportional to 572,082.21, 857,790.99 and 216,902.46 is: 325,227.69
Step by Step Solution
- Step 1: Write the proportion equation
572,082.21 : 857,790.99 = 216,902.46 : x - Step 2: Convert to fraction form
572,082.21/857,790.99 = 216,902.46/x - Step 3: Cross multiply
572,082.21x = 857,790.99 × 216,902.46 - Step 4: Simplify right side
572,082.21x = 186,056,975,896.84 - Step 5: Solve for x
x = 186,056,975,896.84/572,082.21 - Step 6: Final answer
x = 325,227.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.