Finding the Fourth Proportional to 216,262.00, 324,555.36 and 81,459.07
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Solution
The fourth proportional to 216,262.00, 324,555.36 and 81,459.07 is: 122,249.76
Step by Step Solution
- Step 1: Write the proportion equation
216,262.00 : 324,555.36 = 81,459.07 : x - Step 2: Convert to fraction form
216,262.00/324,555.36 = 81,459.07/x - Step 3: Cross multiply
216,262.00x = 324,555.36 × 81,459.07 - Step 4: Simplify right side
216,262.00x = 26,437,976,672.26 - Step 5: Solve for x
x = 26,437,976,672.26/216,262.00 - Step 6: Final answer
x = 122,249.76
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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.