Finding the Fourth Proportional to 381,208.32, 526,063.68 and 211,438.08
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Solution
The fourth proportional to 381,208.32, 526,063.68 and 211,438.08 is: 291,782.44
Step by Step Solution
- Step 1: Write the proportion equation
381,208.32 : 526,063.68 = 211,438.08 : x - Step 2: Convert to fraction form
381,208.32/526,063.68 = 211,438.08/x - Step 3: Cross multiply
381,208.32x = 526,063.68 × 211,438.08 - Step 4: Simplify right side
381,208.32x = 111,229,894,456.93 - Step 5: Solve for x
x = 111,229,894,456.93/381,208.32 - Step 6: Final answer
x = 291,782.44
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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.