Finding the Fourth Proportional to 121,005.24, 181,516.50 and 32,258.28
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Solution
The fourth proportional to 121,005.24, 181,516.50 and 32,258.28 is: 48,389.72
Step by Step Solution
- Step 1: Write the proportion equation
121,005.24 : 181,516.50 = 32,258.28 : x - Step 2: Convert to fraction form
121,005.24/181,516.50 = 32,258.28/x - Step 3: Cross multiply
121,005.24x = 181,516.50 × 32,258.28 - Step 4: Simplify right side
121,005.24x = 5,855,410,081.62 - Step 5: Solve for x
x = 5,855,410,081.62/121,005.24 - Step 6: Final answer
x = 48,389.72
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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.