Finding the Fourth Proportional to 135,108.66, 202,673.18 and 40,331.36
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Solution
The fourth proportional to 135,108.66, 202,673.18 and 40,331.36 is: 60,500.08
Step by Step Solution
- Step 1: Write the proportion equation
135,108.66 : 202,673.18 = 40,331.36 : x - Step 2: Convert to fraction form
135,108.66/202,673.18 = 40,331.36/x - Step 3: Cross multiply
135,108.66x = 202,673.18 × 40,331.36 - Step 4: Simplify right side
135,108.66x = 8,174,084,984.92 - Step 5: Solve for x
x = 8,174,084,984.92/135,108.66 - Step 6: Final answer
x = 60,500.08
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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.