Finding the Fourth Proportional to 276,619.04, 381,741.84 and 169,187.12
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Solution
The fourth proportional to 276,619.04, 381,741.84 and 169,187.12 is: 233,482.85
Step by Step Solution
- Step 1: Write the proportion equation
276,619.04 : 381,741.84 = 169,187.12 : x - Step 2: Convert to fraction form
276,619.04/381,741.84 = 169,187.12/x - Step 3: Cross multiply
276,619.04x = 381,741.84 × 169,187.12 - Step 4: Simplify right side
276,619.04x = 64,585,802,493.10 - Step 5: Solve for x
x = 64,585,802,493.10/276,619.04 - Step 6: Final answer
x = 233,482.85
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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.