Finding the Fourth Proportional to 202,752.34, 279,786.21 and 112,101.19
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Solution
The fourth proportional to 202,752.34, 279,786.21 and 112,101.19 is: 154,692.99
Step by Step Solution
- Step 1: Write the proportion equation
202,752.34 : 279,786.21 = 112,101.19 : x - Step 2: Convert to fraction form
202,752.34/279,786.21 = 112,101.19/x - Step 3: Cross multiply
202,752.34x = 279,786.21 × 112,101.19 - Step 4: Simplify right side
202,752.34x = 31,364,366,526.08 - Step 5: Solve for x
x = 31,364,366,526.08/202,752.34 - Step 6: Final answer
x = 154,692.99
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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.