Finding the Fourth Proportional to 276,126.46, 414,141.09 and 73,725.08
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Solution
The fourth proportional to 276,126.46, 414,141.09 and 73,725.08 is: 110,574.64
Step by Step Solution
- Step 1: Write the proportion equation
276,126.46 : 414,141.09 = 73,725.08 : x - Step 2: Convert to fraction form
276,126.46/414,141.09 = 73,725.08/x - Step 3: Cross multiply
276,126.46x = 414,141.09 × 73,725.08 - Step 4: Simplify right side
276,126.46x = 30,532,584,991.54 - Step 5: Solve for x
x = 30,532,584,991.54/276,126.46 - Step 6: Final answer
x = 110,574.64
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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.