Finding the Fourth Proportional to 888,220.71, 1,332,318.68 and 214,296.36
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Solution
The fourth proportional to 888,220.71, 1,332,318.68 and 214,296.36 is: 321,441.55
Step by Step Solution
- Step 1: Write the proportion equation
888,220.71 : 1,332,318.68 = 214,296.36 : x - Step 2: Convert to fraction form
888,220.71/1,332,318.68 = 214,296.36/x - Step 3: Cross multiply
888,220.71x = 1,332,318.68 × 214,296.36 - Step 4: Simplify right side
888,220.71x = 285,511,036,822.41 - Step 5: Solve for x
x = 285,511,036,822.41/888,220.71 - Step 6: Final answer
x = 321,441.55
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1.5x scale
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.