Finding the Fourth Proportional to 217,982.70, 300,823.74 and 122,487.48
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Solution
The fourth proportional to 217,982.70, 300,823.74 and 122,487.48 is: 169,037.00
Step by Step Solution
- Step 1: Write the proportion equation
217,982.70 : 300,823.74 = 122,487.48 : x - Step 2: Convert to fraction form
217,982.70/300,823.74 = 122,487.48/x - Step 3: Cross multiply
217,982.70x = 300,823.74 × 122,487.48 - Step 4: Simplify right side
217,982.70x = 36,847,141,836.78 - Step 5: Solve for x
x = 36,847,141,836.78/217,982.70 - Step 6: Final answer
x = 169,037.00
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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.