Finding the Fourth Proportional to 135,217.14, 202,830.87 and 40,448.65
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Solution
The fourth proportional to 135,217.14, 202,830.87 and 40,448.65 is: 60,674.52
Step by Step Solution
- Step 1: Write the proportion equation
135,217.14 : 202,830.87 = 40,448.65 : x - Step 2: Convert to fraction form
135,217.14/202,830.87 = 40,448.65/x - Step 3: Cross multiply
135,217.14x = 202,830.87 × 40,448.65 - Step 4: Simplify right side
135,217.14x = 8,204,234,869.83 - Step 5: Solve for x
x = 8,204,234,869.83/135,217.14 - Step 6: Final answer
x = 60,674.52
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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.