Finding the Fourth Proportional to 560,647.99, 841,082.76 and 205,665.09
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Solution
The fourth proportional to 560,647.99, 841,082.76 and 205,665.09 is: 308,538.26
Step by Step Solution
- Step 1: Write the proportion equation
560,647.99 : 841,082.76 = 205,665.09 : x - Step 2: Convert to fraction form
560,647.99/841,082.76 = 205,665.09/x - Step 3: Cross multiply
560,647.99x = 841,082.76 × 205,665.09 - Step 4: Simplify right side
560,647.99x = 172,981,358,378.79 - Step 5: Solve for x
x = 172,981,358,378.79/560,647.99 - Step 6: Final answer
x = 308,538.26
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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.