Finding the Fourth Proportional to 381,336.18, 526,236.93 and 211,566.66
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Solution
The fourth proportional to 381,336.18, 526,236.93 and 211,566.66 is: 291,958.11
Step by Step Solution
- Step 1: Write the proportion equation
381,336.18 : 526,236.93 = 211,566.66 : x - Step 2: Convert to fraction form
381,336.18/526,236.93 = 211,566.66/x - Step 3: Cross multiply
381,336.18x = 526,236.93 × 211,566.66 - Step 4: Simplify right side
381,336.18x = 111,334,189,648.75 - Step 5: Solve for x
x = 111,334,189,648.75/381,336.18 - Step 6: Final answer
x = 291,958.11
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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.