Finding the Fourth Proportional to 217,727.04, 300,453.68 and 122,231.84
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Solution
The fourth proportional to 217,727.04, 300,453.68 and 122,231.84 is: 168,674.53
Step by Step Solution
- Step 1: Write the proportion equation
217,727.04 : 300,453.68 = 122,231.84 : x - Step 2: Convert to fraction form
217,727.04/300,453.68 = 122,231.84/x - Step 3: Cross multiply
217,727.04x = 300,453.68 × 122,231.84 - Step 4: Simplify right side
217,727.04x = 36,725,006,141.17 - Step 5: Solve for x
x = 36,725,006,141.17/217,727.04 - Step 6: Final answer
x = 168,674.53
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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.