Finding the Fourth Proportional to 202,685.24, 279,701.51 and 112,045.02
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Solution
The fourth proportional to 202,685.24, 279,701.51 and 112,045.02 is: 154,619.85
Step by Step Solution
- Step 1: Write the proportion equation
202,685.24 : 279,701.51 = 112,045.02 : x - Step 2: Convert to fraction form
202,685.24/279,701.51 = 112,045.02/x - Step 3: Cross multiply
202,685.24x = 279,701.51 × 112,045.02 - Step 4: Simplify right side
202,685.24x = 31,339,161,246.20 - Step 5: Solve for x
x = 31,339,161,246.20/202,685.24 - Step 6: Final answer
x = 154,619.85
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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.