Finding the Fourth Proportional to 121,607.55, 182,364.84 and 58,410.09
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Solution
The fourth proportional to 121,607.55, 182,364.84 and 58,410.09 is: 87,592.81
Step by Step Solution
- Step 1: Write the proportion equation
121,607.55 : 182,364.84 = 58,410.09 : x - Step 2: Convert to fraction form
121,607.55/182,364.84 = 58,410.09/x - Step 3: Cross multiply
121,607.55x = 182,364.84 × 58,410.09 - Step 4: Simplify right side
121,607.55x = 10,651,946,717.24 - Step 5: Solve for x
x = 10,651,946,717.24/121,607.55 - Step 6: Final answer
x = 87,592.81
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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.