Finding the Fourth Proportional to 155,119.28, 232,724.76 and 49,935.68
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Solution
The fourth proportional to 155,119.28, 232,724.76 and 49,935.68 is: 74,918.28
Step by Step Solution
- Step 1: Write the proportion equation
155,119.28 : 232,724.76 = 49,935.68 : x - Step 2: Convert to fraction form
155,119.28/232,724.76 = 49,935.68/x - Step 3: Cross multiply
155,119.28x = 232,724.76 × 49,935.68 - Step 4: Simplify right side
155,119.28x = 11,621,269,143.44 - Step 5: Solve for x
x = 11,621,269,143.44/155,119.28 - Step 6: Final answer
x = 74,918.28
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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.