Finding the Fourth Proportional to 202,785.24, 279,832.46 and 112,135.96
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Solution
The fourth proportional to 202,785.24, 279,832.46 and 112,135.96 is: 154,741.45
Step by Step Solution
- Step 1: Write the proportion equation
202,785.24 : 279,832.46 = 112,135.96 : x - Step 2: Convert to fraction form
202,785.24/279,832.46 = 112,135.96/x - Step 3: Cross multiply
202,785.24x = 279,832.46 × 112,135.96 - Step 4: Simplify right side
202,785.24x = 31,379,281,541.26 - Step 5: Solve for x
x = 31,379,281,541.26/202,785.24 - Step 6: Final answer
x = 154,741.45
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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.