Finding the Fourth Proportional to 671,163.70, 1,006,745.55 and 227,931.70
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Solution
The fourth proportional to 671,163.70, 1,006,745.55 and 227,931.70 is: 341,897.55
Step by Step Solution
- Step 1: Write the proportion equation
671,163.70 : 1,006,745.55 = 227,931.70 : x - Step 2: Convert to fraction form
671,163.70/1,006,745.55 = 227,931.70/x - Step 3: Cross multiply
671,163.70x = 1,006,745.55 × 227,931.70 - Step 4: Simplify right side
671,163.70x = 229,469,224,678.94 - Step 5: Solve for x
x = 229,469,224,678.94/671,163.70 - Step 6: Final answer
x = 341,897.55
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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.