Finding the Fourth Proportional to 147,232.60, 203,165.73 and 82,709.08
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Solution
The fourth proportional to 147,232.60, 203,165.73 and 82,709.08 is: 114,129.96
Step by Step Solution
- Step 1: Write the proportion equation
147,232.60 : 203,165.73 = 82,709.08 : x - Step 2: Convert to fraction form
147,232.60/203,165.73 = 82,709.08/x - Step 3: Cross multiply
147,232.60x = 203,165.73 × 82,709.08 - Step 4: Simplify right side
147,232.60x = 16,803,650,615.83 - Step 5: Solve for x
x = 16,803,650,615.83/147,232.60 - Step 6: Final answer
x = 114,129.96
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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.