Finding the Fourth Proportional to 102,794.16, 154,177.44 and 27,919.36
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Solution
The fourth proportional to 102,794.16, 154,177.44 and 27,919.36 is: 41,875.29
Step by Step Solution
- Step 1: Write the proportion equation
102,794.16 : 154,177.44 = 27,919.36 : x - Step 2: Convert to fraction form
102,794.16/154,177.44 = 27,919.36/x - Step 3: Cross multiply
102,794.16x = 154,177.44 × 27,919.36 - Step 4: Simplify right side
102,794.16x = 4,304,535,451.24 - Step 5: Solve for x
x = 4,304,535,451.24/102,794.16 - Step 6: Final answer
x = 41,875.29
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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.