Finding the Fourth Proportional to 121,489.08, 182,233.44 and 65,251.80
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Solution
The fourth proportional to 121,489.08, 182,233.44 and 65,251.80 is: 97,877.60
Step by Step Solution
- Step 1: Write the proportion equation
121,489.08 : 182,233.44 = 65,251.80 : x - Step 2: Convert to fraction form
121,489.08/182,233.44 = 65,251.80/x - Step 3: Cross multiply
121,489.08x = 182,233.44 × 65,251.80 - Step 4: Simplify right side
121,489.08x = 11,891,059,980.19 - Step 5: Solve for x
x = 11,891,059,980.19/121,489.08 - Step 6: Final answer
x = 97,877.60
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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.