Finding the Fourth Proportional to 214,850.79, 322,281.59 and 57,078.99
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Solution
The fourth proportional to 214,850.79, 322,281.59 and 57,078.99 is: 85,619.92
Step by Step Solution
- Step 1: Write the proportion equation
214,850.79 : 322,281.59 = 57,078.99 : x - Step 2: Convert to fraction form
214,850.79/322,281.59 = 57,078.99/x - Step 3: Cross multiply
214,850.79x = 322,281.59 × 57,078.99 - Step 4: Simplify right side
214,850.79x = 18,395,507,367.40 - Step 5: Solve for x
x = 18,395,507,367.40/214,850.79 - Step 6: Final answer
x = 85,619.92
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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.