Finding the Fourth Proportional to 135,855.28, 203,717.34 and 56,948.32
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Solution
The fourth proportional to 135,855.28, 203,717.34 and 56,948.32 is: 85,394.99
Step by Step Solution
- Step 1: Write the proportion equation
135,855.28 : 203,717.34 = 56,948.32 : x - Step 2: Convert to fraction form
135,855.28/203,717.34 = 56,948.32/x - Step 3: Cross multiply
135,855.28x = 203,717.34 × 56,948.32 - Step 4: Simplify right side
135,855.28x = 11,601,360,267.87 - Step 5: Solve for x
x = 11,601,360,267.87/135,855.28 - Step 6: Final answer
x = 85,394.99
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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.