Finding the Fourth Proportional to 246,896.81, 340,716.53 and 138,000.99
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Solution
The fourth proportional to 246,896.81, 340,716.53 and 138,000.99 is: 190,440.77
Step by Step Solution
- Step 1: Write the proportion equation
246,896.81 : 340,716.53 = 138,000.99 : x - Step 2: Convert to fraction form
246,896.81/340,716.53 = 138,000.99/x - Step 3: Cross multiply
246,896.81x = 340,716.53 × 138,000.99 - Step 4: Simplify right side
246,896.81x = 47,019,218,449.36 - Step 5: Solve for x
x = 47,019,218,449.36/246,896.81 - Step 6: Final answer
x = 190,440.77
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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.