Finding the Fourth Proportional to 147,340.68, 203,330.16 and 80,272.68
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Solution
The fourth proportional to 147,340.68, 203,330.16 and 80,272.68 is: 110,776.31
Step by Step Solution
- Step 1: Write the proportion equation
147,340.68 : 203,330.16 = 80,272.68 : x - Step 2: Convert to fraction form
147,340.68/203,330.16 = 80,272.68/x - Step 3: Cross multiply
147,340.68x = 203,330.16 × 80,272.68 - Step 4: Simplify right side
147,340.68x = 16,321,856,868.03 - Step 5: Solve for x
x = 16,321,856,868.03/147,340.68 - Step 6: Final answer
x = 110,776.31
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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.