Finding the Fourth Proportional to 202,876.23, 279,977.45 and 112,230.63
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Solution
The fourth proportional to 202,876.23, 279,977.45 and 112,230.63 is: 154,882.83
Step by Step Solution
- Step 1: Write the proportion equation
202,876.23 : 279,977.45 = 112,230.63 : x - Step 2: Convert to fraction form
202,876.23/279,977.45 = 112,230.63/x - Step 3: Cross multiply
202,876.23x = 279,977.45 × 112,230.63 - Step 4: Simplify right side
202,876.23x = 31,422,045,038.14 - Step 5: Solve for x
x = 31,422,045,038.14/202,876.23 - Step 6: Final answer
x = 154,882.83
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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.