Finding the Fourth Proportional to 218,725.74, 299,872.92 and 214,739.91
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Solution
The fourth proportional to 218,725.74, 299,872.92 and 214,739.91 is: 294,408.35
Step by Step Solution
- Step 1: Write the proportion equation
218,725.74 : 299,872.92 = 214,739.91 : x - Step 2: Convert to fraction form
218,725.74/299,872.92 = 214,739.91/x - Step 3: Cross multiply
218,725.74x = 299,872.92 × 214,739.91 - Step 4: Simplify right side
218,725.74x = 64,394,683,852.24 - Step 5: Solve for x
x = 64,394,683,852.24/218,725.74 - Step 6: Final answer
x = 294,408.35
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.