Finding the Fourth Proportional to 181,297.38, 271,905.06 and 68,937.53
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Solution
The fourth proportional to 181,297.38, 271,905.06 and 68,937.53 is: 103,390.69
Step by Step Solution
- Step 1: Write the proportion equation
181,297.38 : 271,905.06 = 68,937.53 : x - Step 2: Convert to fraction form
181,297.38/271,905.06 = 68,937.53/x - Step 3: Cross multiply
181,297.38x = 271,905.06 × 68,937.53 - Step 4: Simplify right side
181,297.38x = 18,744,461,871.38 - Step 5: Solve for x
x = 18,744,461,871.38/181,297.38 - Step 6: Final answer
x = 103,390.69
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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.