Finding the Fourth Proportional to 492,236.63, 679,286.81 and 265,882.13
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Solution
The fourth proportional to 492,236.63, 679,286.81 and 265,882.13 is: 366,917.48
Step by Step Solution
- Step 1: Write the proportion equation
492,236.63 : 679,286.81 = 265,882.13 : x - Step 2: Convert to fraction form
492,236.63/679,286.81 = 265,882.13/x - Step 3: Cross multiply
492,236.63x = 679,286.81 × 265,882.13 - Step 4: Simplify right side
492,236.63x = 180,610,223,923.71 - Step 5: Solve for x
x = 180,610,223,923.71/492,236.63 - Step 6: Final answer
x = 366,917.48
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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.