Finding the Fourth Proportional to 202,752.18, 279,786.69 and 112,102.68
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Solution
The fourth proportional to 202,752.18, 279,786.69 and 112,102.68 is: 154,695.45
Step by Step Solution
- Step 1: Write the proportion equation
202,752.18 : 279,786.69 = 112,102.68 : x - Step 2: Convert to fraction form
202,752.18/279,786.69 = 112,102.68/x - Step 3: Cross multiply
202,752.18x = 279,786.69 × 112,102.68 - Step 4: Simplify right side
202,752.18x = 31,364,838,826.53 - Step 5: Solve for x
x = 31,364,838,826.53/202,752.18 - Step 6: Final answer
x = 154,695.45
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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.