Finding the Fourth Proportional to 107,646.36, 161,469.36 and 36,576.39
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Solution
The fourth proportional to 107,646.36, 161,469.36 and 36,576.39 is: 54,864.52
Step by Step Solution
- Step 1: Write the proportion equation
107,646.36 : 161,469.36 = 36,576.39 : x - Step 2: Convert to fraction form
107,646.36/161,469.36 = 36,576.39/x - Step 3: Cross multiply
107,646.36x = 161,469.36 × 36,576.39 - Step 4: Simplify right side
107,646.36x = 5,905,966,284.41 - Step 5: Solve for x
x = 5,905,966,284.41/107,646.36 - Step 6: Final answer
x = 54,864.52
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1.5x scale
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.