Finding the Fourth Proportional to 181,171.08, 271,516.05 and 81,312.66
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Solution
The fourth proportional to 181,171.08, 271,516.05 and 81,312.66 is: 121,861.02
Step by Step Solution
- Step 1: Write the proportion equation
181,171.08 : 271,516.05 = 81,312.66 : x - Step 2: Convert to fraction form
181,171.08/271,516.05 = 81,312.66/x - Step 3: Cross multiply
181,171.08x = 271,516.05 × 81,312.66 - Step 4: Simplify right side
181,171.08x = 22,077,692,258.19 - Step 5: Solve for x
x = 22,077,692,258.19/181,171.08 - Step 6: Final answer
x = 121,861.02
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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.