Finding the Fourth Proportional to 282,186.36, 389,278.44 and 205,586.28
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Solution
The fourth proportional to 282,186.36, 389,278.44 and 205,586.28 is: 283,607.99
Step by Step Solution
- Step 1: Write the proportion equation
282,186.36 : 389,278.44 = 205,586.28 : x - Step 2: Convert to fraction form
282,186.36/389,278.44 = 205,586.28/x - Step 3: Cross multiply
282,186.36x = 389,278.44 × 205,586.28 - Step 4: Simplify right side
282,186.36x = 80,030,306,363.80 - Step 5: Solve for x
x = 80,030,306,363.80/282,186.36 - Step 6: Final answer
x = 283,607.99
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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.