Finding the Fourth Proportional to 150,039.92, 207,097.08 and 86,403.08
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Solution
The fourth proportional to 150,039.92, 207,097.08 and 86,403.08 is: 119,260.43
Step by Step Solution
- Step 1: Write the proportion equation
150,039.92 : 207,097.08 = 86,403.08 : x - Step 2: Convert to fraction form
150,039.92/207,097.08 = 86,403.08/x - Step 3: Cross multiply
150,039.92x = 207,097.08 × 86,403.08 - Step 4: Simplify right side
150,039.92x = 17,893,825,571.01 - Step 5: Solve for x
x = 17,893,825,571.01/150,039.92 - Step 6: Final answer
x = 119,260.43
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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.