Finding the Fourth Proportional to 217,783.08, 326,715.87 and 75,622.80
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Solution
The fourth proportional to 217,783.08, 326,715.87 and 75,622.80 is: 113,448.52
Step by Step Solution
- Step 1: Write the proportion equation
217,783.08 : 326,715.87 = 75,622.80 : x - Step 2: Convert to fraction form
217,783.08/326,715.87 = 75,622.80/x - Step 3: Cross multiply
217,783.08x = 326,715.87 × 75,622.80 - Step 4: Simplify right side
217,783.08x = 24,707,168,893.84 - Step 5: Solve for x
x = 24,707,168,893.84/217,783.08 - Step 6: Final answer
x = 113,448.52
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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.