Finding the Fourth Proportional to 381,582.36, 526,583.16 and 211,816.08
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Solution
The fourth proportional to 381,582.36, 526,583.16 and 211,816.08 is: 292,305.91
Step by Step Solution
- Step 1: Write the proportion equation
381,582.36 : 526,583.16 = 211,816.08 : x - Step 2: Convert to fraction form
381,582.36/526,583.16 = 211,816.08/x - Step 3: Cross multiply
381,582.36x = 526,583.16 × 211,816.08 - Step 4: Simplify right side
381,582.36x = 111,538,780,745.21 - Step 5: Solve for x
x = 111,538,780,745.21/381,582.36 - Step 6: Final answer
x = 292,305.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.