Finding the Fourth Proportional to 217,439.28, 326,155.68 and 75,388.08
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Solution
The fourth proportional to 217,439.28, 326,155.68 and 75,388.08 is: 113,081.00
Step by Step Solution
- Step 1: Write the proportion equation
217,439.28 : 326,155.68 = 75,388.08 : x - Step 2: Convert to fraction form
217,439.28/326,155.68 = 75,388.08/x - Step 3: Cross multiply
217,439.28x = 326,155.68 × 75,388.08 - Step 4: Simplify right side
217,439.28x = 24,588,250,496.29 - Step 5: Solve for x
x = 24,588,250,496.29/217,439.28 - Step 6: Final answer
x = 113,081.00
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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.