Finding the Fourth Proportional to 216,214.15, 324,352.22 and 66,466.99
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Solution
The fourth proportional to 216,214.15, 324,352.22 and 66,466.99 is: 99,710.02
Step by Step Solution
- Step 1: Write the proportion equation
216,214.15 : 324,352.22 = 66,466.99 : x - Step 2: Convert to fraction form
216,214.15/324,352.22 = 66,466.99/x - Step 3: Cross multiply
216,214.15x = 324,352.22 × 66,466.99 - Step 4: Simplify right side
216,214.15x = 21,558,716,853.26 - Step 5: Solve for x
x = 21,558,716,853.26/216,214.15 - Step 6: Final answer
x = 99,710.02
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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.