Finding the Fourth Proportional to 181,271.68, 271,842.66 and 68,921.98
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Solution
The fourth proportional to 181,271.68, 271,842.66 and 68,921.98 is: 103,358.31
Step by Step Solution
- Step 1: Write the proportion equation
181,271.68 : 271,842.66 = 68,921.98 : x - Step 2: Convert to fraction form
181,271.68/271,842.66 = 68,921.98/x - Step 3: Cross multiply
181,271.68x = 271,842.66 × 68,921.98 - Step 4: Simplify right side
181,271.68x = 18,735,934,375.67 - Step 5: Solve for x
x = 18,735,934,375.67/181,271.68 - Step 6: Final answer
x = 103,358.31
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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.