Finding the Fourth Proportional to 131,568.24, 197,362.62 and 47,339.40
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Solution
The fourth proportional to 131,568.24, 197,362.62 and 47,339.40 is: 71,012.79
Step by Step Solution
- Step 1: Write the proportion equation
131,568.24 : 197,362.62 = 47,339.40 : x - Step 2: Convert to fraction form
131,568.24/197,362.62 = 47,339.40/x - Step 3: Cross multiply
131,568.24x = 197,362.62 × 47,339.40 - Step 4: Simplify right side
131,568.24x = 9,343,028,013.23 - Step 5: Solve for x
x = 9,343,028,013.23/131,568.24 - Step 6: Final answer
x = 71,012.79
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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.