Finding the Fourth Proportional to 130,453.44, 195,455.49 and 101,979.31
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Solution
The fourth proportional to 130,453.44, 195,455.49 and 101,979.31 is: 152,793.34
Step by Step Solution
- Step 1: Write the proportion equation
130,453.44 : 195,455.49 = 101,979.31 : x - Step 2: Convert to fraction form
130,453.44/195,455.49 = 101,979.31/x - Step 3: Cross multiply
130,453.44x = 195,455.49 × 101,979.31 - Step 4: Simplify right side
130,453.44x = 19,932,416,665.02 - Step 5: Solve for x
x = 19,932,416,665.02/130,453.44 - Step 6: Final answer
x = 152,793.34
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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.