Finding the Fourth Proportional to 328,576.18, 453,532.08 and 192,639.64
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Solution
The fourth proportional to 328,576.18, 453,532.08 and 192,639.64 is: 265,899.54
Step by Step Solution
- Step 1: Write the proportion equation
328,576.18 : 453,532.08 = 192,639.64 : x - Step 2: Convert to fraction form
328,576.18/453,532.08 = 192,639.64/x - Step 3: Cross multiply
328,576.18x = 453,532.08 × 192,639.64 - Step 4: Simplify right side
328,576.18x = 87,368,256,619.65 - Step 5: Solve for x
x = 87,368,256,619.65/328,576.18 - Step 6: Final answer
x = 265,899.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.