Finding the Fourth Proportional to 79,841.36, 119,774.34 and 27,238.58
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Solution
The fourth proportional to 79,841.36, 119,774.34 and 27,238.58 is: 40,862.07
Step by Step Solution
- Step 1: Write the proportion equation
79,841.36 : 119,774.34 = 27,238.58 : x - Step 2: Convert to fraction form
79,841.36/119,774.34 = 27,238.58/x - Step 3: Cross multiply
79,841.36x = 119,774.34 × 27,238.58 - Step 4: Simplify right side
79,841.36x = 3,262,482,942.04 - Step 5: Solve for x
x = 3,262,482,942.04/79,841.36 - Step 6: Final answer
x = 40,862.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.