Finding the Fourth Proportional to 131,922.05, 197,904.09 and 47,673.68
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Solution
The fourth proportional to 131,922.05, 197,904.09 and 47,673.68 is: 71,518.12
Step by Step Solution
- Step 1: Write the proportion equation
131,922.05 : 197,904.09 = 47,673.68 : x - Step 2: Convert to fraction form
131,922.05/197,904.09 = 47,673.68/x - Step 3: Cross multiply
131,922.05x = 197,904.09 × 47,673.68 - Step 4: Simplify right side
131,922.05x = 9,434,816,632.93 - Step 5: Solve for x
x = 9,434,816,632.93/131,922.05 - Step 6: Final answer
x = 71,518.12
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1.5x scale
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.