Finding the Fourth Proportional to 84,306.30, 126,467.95 and 27,377.82
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Solution
The fourth proportional to 84,306.30, 126,467.95 and 27,377.82 is: 41,069.49
Step by Step Solution
- Step 1: Write the proportion equation
84,306.30 : 126,467.95 = 27,377.82 : x - Step 2: Convert to fraction form
84,306.30/126,467.95 = 27,377.82/x - Step 3: Cross multiply
84,306.30x = 126,467.95 × 27,377.82 - Step 4: Simplify right side
84,306.30x = 3,462,416,770.87 - Step 5: Solve for x
x = 3,462,416,770.87/84,306.30 - Step 6: Final answer
x = 41,069.49
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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.