Finding the Fourth Proportional to 263,916.63, 363,716.53 and 187,439.06
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Solution
The fourth proportional to 263,916.63, 363,716.53 and 187,439.06 is: 258,319.02
Step by Step Solution
- Step 1: Write the proportion equation
263,916.63 : 363,716.53 = 187,439.06 : x - Step 2: Convert to fraction form
263,916.63/363,716.53 = 187,439.06/x - Step 3: Cross multiply
263,916.63x = 363,716.53 × 187,439.06 - Step 4: Simplify right side
263,916.63x = 68,174,684,930.36 - Step 5: Solve for x
x = 68,174,684,930.36/263,916.63 - Step 6: Final answer
x = 258,319.02
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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.