Finding the Fourth Proportional to 427,576.23, 641,384.99 and 112,033.44
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Solution
The fourth proportional to 427,576.23, 641,384.99 and 112,033.44 is: 168,055.57
Step by Step Solution
- Step 1: Write the proportion equation
427,576.23 : 641,384.99 = 112,033.44 : x - Step 2: Convert to fraction form
427,576.23/641,384.99 = 112,033.44/x - Step 3: Cross multiply
427,576.23x = 641,384.99 × 112,033.44 - Step 4: Simplify right side
427,576.23x = 71,856,566,794.07 - Step 5: Solve for x
x = 71,856,566,794.07/427,576.23 - Step 6: Final answer
x = 168,055.57
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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.