Finding the Fourth Proportional to 205,381.71, 283,423.62 and 114,738.99
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Solution
The fourth proportional to 205,381.71, 283,423.62 and 114,738.99 is: 158,338.05
Step by Step Solution
- Step 1: Write the proportion equation
205,381.71 : 283,423.62 = 114,738.99 : x - Step 2: Convert to fraction form
205,381.71/283,423.62 = 114,738.99/x - Step 3: Cross multiply
205,381.71x = 283,423.62 × 114,738.99 - Step 4: Simplify right side
205,381.71x = 32,519,739,900.94 - Step 5: Solve for x
x = 32,519,739,900.94/205,381.71 - Step 6: Final answer
x = 158,338.05
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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.