Finding the Fourth Proportional to 130,879.08, 196,316.46 and 32,383.08
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Solution
The fourth proportional to 130,879.08, 196,316.46 and 32,383.08 is: 48,574.09
Step by Step Solution
- Step 1: Write the proportion equation
130,879.08 : 196,316.46 = 32,383.08 : x - Step 2: Convert to fraction form
130,879.08/196,316.46 = 32,383.08/x - Step 3: Cross multiply
130,879.08x = 196,316.46 × 32,383.08 - Step 4: Simplify right side
130,879.08x = 6,357,331,629.50 - Step 5: Solve for x
x = 6,357,331,629.50/130,879.08 - Step 6: Final answer
x = 48,574.09
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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.