Finding the Fourth Proportional to 276,052.92, 380,953.62 and 155,195.19
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Solution
The fourth proportional to 276,052.92, 380,953.62 and 155,195.19 is: 214,169.69
Step by Step Solution
- Step 1: Write the proportion equation
276,052.92 : 380,953.62 = 155,195.19 : x - Step 2: Convert to fraction form
276,052.92/380,953.62 = 155,195.19/x - Step 3: Cross multiply
276,052.92x = 380,953.62 × 155,195.19 - Step 4: Simplify right side
276,052.92x = 59,122,169,437.09 - Step 5: Solve for x
x = 59,122,169,437.09/276,052.92 - Step 6: Final answer
x = 214,169.69
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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.