Finding the Fourth Proportional to 217,852.14, 300,664.15 and 122,358.84
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Solution
The fourth proportional to 217,852.14, 300,664.15 and 122,358.84 is: 168,871.03
Step by Step Solution
- Step 1: Write the proportion equation
217,852.14 : 300,664.15 = 122,358.84 : x - Step 2: Convert to fraction form
217,852.14/300,664.15 = 122,358.84/x - Step 3: Cross multiply
217,852.14x = 300,664.15 × 122,358.84 - Step 4: Simplify right side
217,852.14x = 36,788,915,190.20 - Step 5: Solve for x
x = 36,788,915,190.20/217,852.14 - Step 6: Final answer
x = 168,871.03
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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.