Finding the Fourth Proportional to 202,846.08, 279,922.24 and 112,205.76
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Solution
The fourth proportional to 202,846.08, 279,922.24 and 112,205.76 is: 154,840.99
Step by Step Solution
- Step 1: Write the proportion equation
202,846.08 : 279,922.24 = 112,205.76 : x - Step 2: Convert to fraction form
202,846.08/279,922.24 = 112,205.76/x - Step 3: Cross multiply
202,846.08x = 279,922.24 × 112,205.76 - Step 4: Simplify right side
202,846.08x = 31,408,887,680.10 - Step 5: Solve for x
x = 31,408,887,680.10/202,846.08 - Step 6: Final answer
x = 154,840.99
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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.