Finding the Fourth Proportional to 306,532.26, 459,798.64 and 146,570.55
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Solution
The fourth proportional to 306,532.26, 459,798.64 and 146,570.55 is: 219,855.94
Step by Step Solution
- Step 1: Write the proportion equation
306,532.26 : 459,798.64 = 146,570.55 : x - Step 2: Convert to fraction form
306,532.26/459,798.64 = 146,570.55/x - Step 3: Cross multiply
306,532.26x = 459,798.64 × 146,570.55 - Step 4: Simplify right side
306,532.26x = 67,392,939,554.05 - Step 5: Solve for x
x = 67,392,939,554.05/306,532.26 - Step 6: Final answer
x = 219,855.94
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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.