Finding the Fourth Proportional to 424,776.29, 637,163.65 and 125,467.05
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Solution
The fourth proportional to 424,776.29, 637,163.65 and 125,467.05 is: 188,200.34
Step by Step Solution
- Step 1: Write the proportion equation
424,776.29 : 637,163.65 = 125,467.05 : x - Step 2: Convert to fraction form
424,776.29/637,163.65 = 125,467.05/x - Step 3: Cross multiply
424,776.29x = 637,163.65 × 125,467.05 - Step 4: Simplify right side
424,776.29x = 79,943,043,532.73 - Step 5: Solve for x
x = 79,943,043,532.73/424,776.29 - Step 6: Final answer
x = 188,200.34
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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.