Finding the Fourth Proportional to 110,730.98, 166,213.38 and 51,623.66
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Solution
The fourth proportional to 110,730.98, 166,213.38 and 51,623.66 is: 77,489.99
Step by Step Solution
- Step 1: Write the proportion equation
110,730.98 : 166,213.38 = 51,623.66 : x - Step 2: Convert to fraction form
110,730.98/166,213.38 = 51,623.66/x - Step 3: Cross multiply
110,730.98x = 166,213.38 × 51,623.66 - Step 4: Simplify right side
110,730.98x = 8,580,543,016.57 - Step 5: Solve for x
x = 8,580,543,016.57/110,730.98 - Step 6: Final answer
x = 77,489.99
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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.