Finding the Fourth Proportional to 136,655.55, 204,666.21 and 131,924.97
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Solution
The fourth proportional to 136,655.55, 204,666.21 and 131,924.97 is: 197,581.32
Step by Step Solution
- Step 1: Write the proportion equation
136,655.55 : 204,666.21 = 131,924.97 : x - Step 2: Convert to fraction form
136,655.55/204,666.21 = 131,924.97/x - Step 3: Cross multiply
136,655.55x = 204,666.21 × 131,924.97 - Step 4: Simplify right side
136,655.55x = 27,000,583,614.26 - Step 5: Solve for x
x = 27,000,583,614.26/136,655.55 - Step 6: Final answer
x = 197,581.32
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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.