Finding the Fourth Proportional to 200,614.60, 276,877.62 and 115,715.08
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Solution
The fourth proportional to 200,614.60, 276,877.62 and 115,715.08 is: 159,703.81
Step by Step Solution
- Step 1: Write the proportion equation
200,614.60 : 276,877.62 = 115,715.08 : x - Step 2: Convert to fraction form
200,614.60/276,877.62 = 115,715.08/x - Step 3: Cross multiply
200,614.60x = 276,877.62 × 115,715.08 - Step 4: Simplify right side
200,614.60x = 32,038,915,948.51 - Step 5: Solve for x
x = 32,038,915,948.51/200,614.60 - Step 6: Final answer
x = 159,703.81
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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.