Finding the Fourth Proportional to 127,084.72, 190,628.44 and 38,338.99
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Solution
The fourth proportional to 127,084.72, 190,628.44 and 38,338.99 is: 57,508.90
Step by Step Solution
- Step 1: Write the proportion equation
127,084.72 : 190,628.44 = 38,338.99 : x - Step 2: Convert to fraction form
127,084.72/190,628.44 = 38,338.99/x - Step 3: Cross multiply
127,084.72x = 190,628.44 × 38,338.99 - Step 4: Simplify right side
127,084.72x = 7,308,501,950.72 - Step 5: Solve for x
x = 7,308,501,950.72/127,084.72 - Step 6: Final answer
x = 57,508.90
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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.