Finding the Fourth Proportional to 135,717.84, 203,606.28 and 56,791.44
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Solution
The fourth proportional to 135,717.84, 203,606.28 and 56,791.44 is: 85,199.51
Step by Step Solution
- Step 1: Write the proportion equation
135,717.84 : 203,606.28 = 56,791.44 : x - Step 2: Convert to fraction form
135,717.84/203,606.28 = 56,791.44/x - Step 3: Cross multiply
135,717.84x = 203,606.28 × 56,791.44 - Step 4: Simplify right side
135,717.84x = 11,563,093,834.24 - Step 5: Solve for x
x = 11,563,093,834.24/135,717.84 - Step 6: Final answer
x = 85,199.51
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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.