Finding the Fourth Proportional to 547,715.17, 821,616.09 and 192,808.81
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Solution
The fourth proportional to 547,715.17, 821,616.09 and 192,808.81 is: 289,228.47
Step by Step Solution
- Step 1: Write the proportion equation
547,715.17 : 821,616.09 = 192,808.81 : x - Step 2: Convert to fraction form
547,715.17/821,616.09 = 192,808.81/x - Step 3: Cross multiply
547,715.17x = 821,616.09 × 192,808.81 - Step 4: Simplify right side
547,715.17x = 158,414,820,589.75 - Step 5: Solve for x
x = 158,414,820,589.75/547,715.17 - Step 6: Final answer
x = 289,228.47
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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.