Finding the Fourth Proportional to 162,857.13, 224,740.21 and 91,236.93
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Solution
The fourth proportional to 162,857.13, 224,740.21 and 91,236.93 is: 125,905.49
Step by Step Solution
- Step 1: Write the proportion equation
162,857.13 : 224,740.21 = 91,236.93 : x - Step 2: Convert to fraction form
162,857.13/224,740.21 = 91,236.93/x - Step 3: Cross multiply
162,857.13x = 224,740.21 × 91,236.93 - Step 4: Simplify right side
162,857.13x = 20,504,606,807.96 - Step 5: Solve for x
x = 20,504,606,807.96/162,857.13 - Step 6: Final answer
x = 125,905.49
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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.