Finding the Fourth Proportional to 203,762.32, 305,609.94 and 54,011.92
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Solution
The fourth proportional to 203,762.32, 305,609.94 and 54,011.92 is: 81,008.99
Step by Step Solution
- Step 1: Write the proportion equation
203,762.32 : 305,609.94 = 54,011.92 : x - Step 2: Convert to fraction form
203,762.32/305,609.94 = 54,011.92/x - Step 3: Cross multiply
203,762.32x = 305,609.94 × 54,011.92 - Step 4: Simplify right side
203,762.32x = 16,506,579,630.48 - Step 5: Solve for x
x = 16,506,579,630.48/203,762.32 - Step 6: Final answer
x = 81,008.99
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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.