Finding the Fourth Proportional to 271,988.36, 375,337.11 and 151,129.96
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Solution
The fourth proportional to 271,988.36, 375,337.11 and 151,129.96 is: 208,555.55
Step by Step Solution
- Step 1: Write the proportion equation
271,988.36 : 375,337.11 = 151,129.96 : x - Step 2: Convert to fraction form
271,988.36/375,337.11 = 151,129.96/x - Step 3: Cross multiply
271,988.36x = 375,337.11 × 151,129.96 - Step 4: Simplify right side
271,988.36x = 56,724,682,049.21 - Step 5: Solve for x
x = 56,724,682,049.21/271,988.36 - Step 6: Final answer
x = 208,555.55
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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.