Finding the Fourth Proportional to 142,363.53, 213,567.17 and 47,576.21
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Solution
The fourth proportional to 142,363.53, 213,567.17 and 47,576.21 is: 71,371.62
Step by Step Solution
- Step 1: Write the proportion equation
142,363.53 : 213,567.17 = 47,576.21 : x - Step 2: Convert to fraction form
142,363.53/213,567.17 = 47,576.21/x - Step 3: Cross multiply
142,363.53x = 213,567.17 × 47,576.21 - Step 4: Simplify right side
142,363.53x = 10,160,715,223.31 - Step 5: Solve for x
x = 10,160,715,223.31/142,363.53 - Step 6: Final answer
x = 71,371.62
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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.