Finding the Fourth Proportional to 102,765.36, 154,158.36 and 27,886.68
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Solution
The fourth proportional to 102,765.36, 154,158.36 and 27,886.68 is: 41,832.82
Step by Step Solution
- Step 1: Write the proportion equation
102,765.36 : 154,158.36 = 27,886.68 : x - Step 2: Convert to fraction form
102,765.36/154,158.36 = 27,886.68/x - Step 3: Cross multiply
102,765.36x = 154,158.36 × 27,886.68 - Step 4: Simplify right side
102,765.36x = 4,298,964,854.64 - Step 5: Solve for x
x = 4,298,964,854.64/102,765.36 - Step 6: Final answer
x = 41,832.82
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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.