Finding the Fourth Proportional to 135,243.70, 202,865.55 and 60,363.70
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Solution
The fourth proportional to 135,243.70, 202,865.55 and 60,363.70 is: 90,545.55
Step by Step Solution
- Step 1: Write the proportion equation
135,243.70 : 202,865.55 = 60,363.70 : x - Step 2: Convert to fraction form
135,243.70/202,865.55 = 60,363.70/x - Step 3: Cross multiply
135,243.70x = 202,865.55 × 60,363.70 - Step 4: Simplify right side
135,243.70x = 12,245,715,200.54 - Step 5: Solve for x
x = 12,245,715,200.54/135,243.70 - Step 6: Final answer
x = 90,545.55
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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.