Finding the Fourth Proportional to 217,299.41, 325,921.42 and 84,088.53
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Solution
The fourth proportional to 217,299.41, 325,921.42 and 84,088.53 is: 126,122.08
Step by Step Solution
- Step 1: Write the proportion equation
217,299.41 : 325,921.42 = 84,088.53 : x - Step 2: Convert to fraction form
217,299.41/325,921.42 = 84,088.53/x - Step 3: Cross multiply
217,299.41x = 325,921.42 × 84,088.53 - Step 4: Simplify right side
217,299.41x = 27,406,253,208.42 - Step 5: Solve for x
x = 27,406,253,208.42/217,299.41 - Step 6: Final answer
x = 126,122.08
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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.