Finding the Fourth Proportional to 311,866.02, 467,799.09 and 101,503.98
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Solution
The fourth proportional to 311,866.02, 467,799.09 and 101,503.98 is: 152,255.99
Step by Step Solution
- Step 1: Write the proportion equation
311,866.02 : 467,799.09 = 101,503.98 : x - Step 2: Convert to fraction form
311,866.02/467,799.09 = 101,503.98/x - Step 3: Cross multiply
311,866.02x = 467,799.09 × 101,503.98 - Step 4: Simplify right side
311,866.02x = 47,483,469,475.38 - Step 5: Solve for x
x = 47,483,469,475.38/311,866.02 - Step 6: Final answer
x = 152,255.99
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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.