Finding the Fourth Proportional to 162,736.58, 244,262.48 and 78,555.84
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Solution
The fourth proportional to 162,736.58, 244,262.48 and 78,555.84 is: 117,909.84
Step by Step Solution
- Step 1: Write the proportion equation
162,736.58 : 244,262.48 = 78,555.84 : x - Step 2: Convert to fraction form
162,736.58/244,262.48 = 78,555.84/x - Step 3: Cross multiply
162,736.58x = 244,262.48 × 78,555.84 - Step 4: Simplify right side
162,736.58x = 19,188,244,296.88 - Step 5: Solve for x
x = 19,188,244,296.88/162,736.58 - Step 6: Final answer
x = 117,909.84
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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.