Finding the Fourth Proportional to 127,866.56, 191,792.88 and 39,120.08
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Solution
The fourth proportional to 127,866.56, 191,792.88 and 39,120.08 is: 58,677.99
Step by Step Solution
- Step 1: Write the proportion equation
127,866.56 : 191,792.88 = 39,120.08 : x - Step 2: Convert to fraction form
127,866.56/191,792.88 = 39,120.08/x - Step 3: Cross multiply
127,866.56x = 191,792.88 × 39,120.08 - Step 4: Simplify right side
127,866.56x = 7,502,951,850.07 - Step 5: Solve for x
x = 7,502,951,850.07/127,866.56 - Step 6: Final answer
x = 58,677.99
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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.