Finding the Fourth Proportional to 200,694.51, 276,953.58 and 113,472.09
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Solution
The fourth proportional to 200,694.51, 276,953.58 and 113,472.09 is: 156,588.75
Step by Step Solution
- Step 1: Write the proportion equation
200,694.51 : 276,953.58 = 113,472.09 : x - Step 2: Convert to fraction form
200,694.51/276,953.58 = 113,472.09/x - Step 3: Cross multiply
200,694.51x = 276,953.58 × 113,472.09 - Step 4: Simplify right side
200,694.51x = 31,426,501,555.58 - Step 5: Solve for x
x = 31,426,501,555.58/200,694.51 - Step 6: Final answer
x = 156,588.75
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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.