Finding the Fourth Proportional to 249,382.53, 374,126.37 and 80,889.75
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Solution
The fourth proportional to 249,382.53, 374,126.37 and 80,889.75 is: 121,351.68
Step by Step Solution
- Step 1: Write the proportion equation
249,382.53 : 374,126.37 = 80,889.75 : x - Step 2: Convert to fraction form
249,382.53/374,126.37 = 80,889.75/x - Step 3: Cross multiply
249,382.53x = 374,126.37 × 80,889.75 - Step 4: Simplify right side
249,382.53x = 30,262,988,537.71 - Step 5: Solve for x
x = 30,262,988,537.71/249,382.53 - Step 6: Final answer
x = 121,351.68
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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.