Finding the Fourth Proportional to 214,554.21, 296,051.92 and 128,493.02
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Solution
The fourth proportional to 214,554.21, 296,051.92 and 128,493.02 is: 177,300.67
Step by Step Solution
- Step 1: Write the proportion equation
214,554.21 : 296,051.92 = 128,493.02 : x - Step 2: Convert to fraction form
214,554.21/296,051.92 = 128,493.02/x - Step 3: Cross multiply
214,554.21x = 296,051.92 × 128,493.02 - Step 4: Simplify right side
214,554.21x = 38,040,605,277.60 - Step 5: Solve for x
x = 38,040,605,277.60/214,554.21 - Step 6: Final answer
x = 177,300.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.