Finding the Fourth Proportional to 113,218.80, 169,390.80 and 73,852.80
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Solution
The fourth proportional to 113,218.80, 169,390.80 and 73,852.80 is: 110,493.88
Step by Step Solution
- Step 1: Write the proportion equation
113,218.80 : 169,390.80 = 73,852.80 : x - Step 2: Convert to fraction form
113,218.80/169,390.80 = 73,852.80/x - Step 3: Cross multiply
113,218.80x = 169,390.80 × 73,852.80 - Step 4: Simplify right side
113,218.80x = 12,509,984,874.24 - Step 5: Solve for x
x = 12,509,984,874.24/113,218.80 - Step 6: Final answer
x = 110,493.88
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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.