Finding the Fourth Proportional to 131,750.44, 197,631.12 and 38,256.19
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Solution
The fourth proportional to 131,750.44, 197,631.12 and 38,256.19 is: 57,385.87
Step by Step Solution
- Step 1: Write the proportion equation
131,750.44 : 197,631.12 = 38,256.19 : x - Step 2: Convert to fraction form
131,750.44/197,631.12 = 38,256.19/x - Step 3: Cross multiply
131,750.44x = 197,631.12 × 38,256.19 - Step 4: Simplify right side
131,750.44x = 7,560,613,326.02 - Step 5: Solve for x
x = 7,560,613,326.02/131,750.44 - Step 6: Final answer
x = 57,385.87
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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.