Finding the Fourth Proportional to 227,485.17, 313,928.65 and 125,516.97
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Solution
The fourth proportional to 227,485.17, 313,928.65 and 125,516.97 is: 173,212.94
Step by Step Solution
- Step 1: Write the proportion equation
227,485.17 : 313,928.65 = 125,516.97 : x - Step 2: Convert to fraction form
227,485.17/313,928.65 = 125,516.97/x - Step 3: Cross multiply
227,485.17x = 313,928.65 × 125,516.97 - Step 4: Simplify right side
227,485.17x = 39,403,373,807.63 - Step 5: Solve for x
x = 39,403,373,807.63/227,485.17 - Step 6: Final answer
x = 173,212.94
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1.5x scale
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.