Finding the Fourth Proportional to 104,496.72, 144,205.44 and 56,750.08
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Solution
The fourth proportional to 104,496.72, 144,205.44 and 56,750.08 is: 78,315.09
Step by Step Solution
- Step 1: Write the proportion equation
104,496.72 : 144,205.44 = 56,750.08 : x - Step 2: Convert to fraction form
104,496.72/144,205.44 = 56,750.08/x - Step 3: Cross multiply
104,496.72x = 144,205.44 × 56,750.08 - Step 4: Simplify right side
104,496.72x = 8,183,670,256.44 - Step 5: Solve for x
x = 8,183,670,256.44/104,496.72 - Step 6: Final answer
x = 78,315.09
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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.