Finding the Fourth Proportional to 177,311.07, 244,688.09 and 100,830.20
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Solution
The fourth proportional to 177,311.07, 244,688.09 and 100,830.20 is: 139,144.99
Step by Step Solution
- Step 1: Write the proportion equation
177,311.07 : 244,688.09 = 100,830.20 : x - Step 2: Convert to fraction form
177,311.07/244,688.09 = 100,830.20/x - Step 3: Cross multiply
177,311.07x = 244,688.09 × 100,830.20 - Step 4: Simplify right side
177,311.07x = 24,671,947,324.73 - Step 5: Solve for x
x = 24,671,947,324.73/177,311.07 - Step 6: Final answer
x = 139,144.99
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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.