Finding the Fourth Proportional to 252,521.41, 378,293.67 and 211,507.99
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Solution
The fourth proportional to 252,521.41, 378,293.67 and 211,507.99 is: 316,852.87
Step by Step Solution
- Step 1: Write the proportion equation
252,521.41 : 378,293.67 = 211,507.99 : x - Step 2: Convert to fraction form
252,521.41/378,293.67 = 211,507.99/x - Step 3: Cross multiply
252,521.41x = 378,293.67 × 211,507.99 - Step 4: Simplify right side
252,521.41x = 80,012,133,771.42 - Step 5: Solve for x
x = 80,012,133,771.42/252,521.41 - Step 6: Final answer
x = 316,852.87
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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.