Finding the Fourth Proportional to 191,403.99, 264,131.97 and 106,519.23
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Solution
The fourth proportional to 191,403.99, 264,131.97 and 106,519.23 is: 146,993.46
Step by Step Solution
- Step 1: Write the proportion equation
191,403.99 : 264,131.97 = 106,519.23 : x - Step 2: Convert to fraction form
191,403.99/264,131.97 = 106,519.23/x - Step 3: Cross multiply
191,403.99x = 264,131.97 × 106,519.23 - Step 4: Simplify right side
191,403.99x = 28,135,134,062.78 - Step 5: Solve for x
x = 28,135,134,062.78/191,403.99 - Step 6: Final answer
x = 146,993.46
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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.