Finding the Fourth Proportional to 199,263.99, 274,984.02 and 108,620.13
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Solution
The fourth proportional to 199,263.99, 274,984.02 and 108,620.13 is: 149,895.62
Step by Step Solution
- Step 1: Write the proportion equation
199,263.99 : 274,984.02 = 108,620.13 : x - Step 2: Convert to fraction form
199,263.99/274,984.02 = 108,620.13/x - Step 3: Cross multiply
199,263.99x = 274,984.02 × 108,620.13 - Step 4: Simplify right side
199,263.99x = 29,868,800,000.32 - Step 5: Solve for x
x = 29,868,800,000.32/199,263.99 - Step 6: Final answer
x = 149,895.62
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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.