Finding the Fourth Proportional to 369,231.31, 509,539.92 and 214,212.70
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Solution
The fourth proportional to 369,231.31, 509,539.92 and 214,212.70 is: 295,613.94
Step by Step Solution
- Step 1: Write the proportion equation
369,231.31 : 509,539.92 = 214,212.70 : x - Step 2: Convert to fraction form
369,231.31/509,539.92 = 214,212.70/x - Step 3: Cross multiply
369,231.31x = 509,539.92 × 214,212.70 - Step 4: Simplify right side
369,231.31x = 109,149,921,854.61 - Step 5: Solve for x
x = 109,149,921,854.61/369,231.31 - Step 6: Final answer
x = 295,613.94
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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.