Finding the Fourth Proportional to 273,439.28, 377,425.44 and 158,743.68
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Solution
The fourth proportional to 273,439.28, 377,425.44 and 158,743.68 is: 219,112.28
Step by Step Solution
- Step 1: Write the proportion equation
273,439.28 : 377,425.44 = 158,743.68 : x - Step 2: Convert to fraction form
273,439.28/377,425.44 = 158,743.68/x - Step 3: Cross multiply
273,439.28x = 377,425.44 × 158,743.68 - Step 4: Simplify right side
273,439.28x = 59,913,903,271.22 - Step 5: Solve for x
x = 59,913,903,271.22/273,439.28 - Step 6: Final answer
x = 219,112.28
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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.