Finding the Fourth Proportional to 200,332.28, 276,471.87 and 115,454.81
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Solution
The fourth proportional to 200,332.28, 276,471.87 and 115,454.81 is: 159,335.32
Step by Step Solution
- Step 1: Write the proportion equation
200,332.28 : 276,471.87 = 115,454.81 : x - Step 2: Convert to fraction form
200,332.28/276,471.87 = 115,454.81/x - Step 3: Cross multiply
200,332.28x = 276,471.87 × 115,454.81 - Step 4: Simplify right side
200,332.28x = 31,920,007,221.19 - Step 5: Solve for x
x = 31,920,007,221.19/200,332.28 - Step 6: Final answer
x = 159,335.32
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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.