Finding the Fourth Proportional to 110,304.75, 165,511.81 and 43,743.41
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Solution
The fourth proportional to 110,304.75, 165,511.81 and 43,743.41 is: 65,636.80
Step by Step Solution
- Step 1: Write the proportion equation
110,304.75 : 165,511.81 = 43,743.41 : x - Step 2: Convert to fraction form
110,304.75/165,511.81 = 43,743.41/x - Step 3: Cross multiply
110,304.75x = 165,511.81 × 43,743.41 - Step 4: Simplify right side
110,304.75x = 7,240,050,812.46 - Step 5: Solve for x
x = 7,240,050,812.46/110,304.75 - Step 6: Final answer
x = 65,636.80
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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.