Finding the Fourth Proportional to 135,467.50, 202,377.34 and 87,693.39
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Solution
The fourth proportional to 135,467.50, 202,377.34 and 87,693.39 is: 131,006.75
Step by Step Solution
- Step 1: Write the proportion equation
135,467.50 : 202,377.34 = 87,693.39 : x - Step 2: Convert to fraction form
135,467.50/202,377.34 = 87,693.39/x - Step 3: Cross multiply
135,467.50x = 202,377.34 × 87,693.39 - Step 4: Simplify right side
135,467.50x = 17,747,155,929.22 - Step 5: Solve for x
x = 17,747,155,929.22/135,467.50 - Step 6: Final answer
x = 131,006.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.