Finding the Fourth Proportional to 271,997.38, 375,364.84 and 149,487.53
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Solution
The fourth proportional to 271,997.38, 375,364.84 and 149,487.53 is: 206,297.44
Step by Step Solution
- Step 1: Write the proportion equation
271,997.38 : 375,364.84 = 149,487.53 : x - Step 2: Convert to fraction form
271,997.38/375,364.84 = 149,487.53/x - Step 3: Cross multiply
271,997.38x = 375,364.84 × 149,487.53 - Step 4: Simplify right side
271,997.38x = 56,112,363,345.14 - Step 5: Solve for x
x = 56,112,363,345.14/271,997.38 - Step 6: Final answer
x = 206,297.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.