Finding the Fourth Proportional to 216,325.99, 324,485.39 and 83,235.09
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Solution
The fourth proportional to 216,325.99, 324,485.39 and 83,235.09 is: 124,851.26
Step by Step Solution
- Step 1: Write the proportion equation
216,325.99 : 324,485.39 = 83,235.09 : x - Step 2: Convert to fraction form
216,325.99/324,485.39 = 83,235.09/x - Step 3: Cross multiply
216,325.99x = 324,485.39 × 83,235.09 - Step 4: Simplify right side
216,325.99x = 27,008,572,065.24 - Step 5: Solve for x
x = 27,008,572,065.24/216,325.99 - Step 6: Final answer
x = 124,851.26
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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.