Finding the Fourth Proportional to 186,673.68, 279,897.93 and 74,371.23
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Solution
The fourth proportional to 186,673.68, 279,897.93 and 74,371.23 is: 111,511.99
Step by Step Solution
- Step 1: Write the proportion equation
186,673.68 : 279,897.93 = 74,371.23 : x - Step 2: Convert to fraction form
186,673.68/279,897.93 = 74,371.23/x - Step 3: Cross multiply
186,673.68x = 279,897.93 × 74,371.23 - Step 4: Simplify right side
186,673.68x = 20,816,353,328.55 - Step 5: Solve for x
x = 20,816,353,328.55/186,673.68 - Step 6: Final answer
x = 111,511.99
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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.