Finding the Fourth Proportional to 168,079.88, 231,950.27 and 91,598.99
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Solution
The fourth proportional to 168,079.88, 231,950.27 and 91,598.99 is: 126,406.63
Step by Step Solution
- Step 1: Write the proportion equation
168,079.88 : 231,950.27 = 91,598.99 : x - Step 2: Convert to fraction form
168,079.88/231,950.27 = 91,598.99/x - Step 3: Cross multiply
168,079.88x = 231,950.27 × 91,598.99 - Step 4: Simplify right side
168,079.88x = 21,246,410,320.95 - Step 5: Solve for x
x = 21,246,410,320.95/168,079.88 - Step 6: Final answer
x = 126,406.63
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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.