Finding the Fourth Proportional to 229,732.87, 316,984.90 and 134,221.11
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Solution
The fourth proportional to 229,732.87, 316,984.90 and 134,221.11 is: 185,197.99
Step by Step Solution
- Step 1: Write the proportion equation
229,732.87 : 316,984.90 = 134,221.11 : x - Step 2: Convert to fraction form
229,732.87/316,984.90 = 134,221.11/x - Step 3: Cross multiply
229,732.87x = 316,984.90 × 134,221.11 - Step 4: Simplify right side
229,732.87x = 42,546,065,131.24 - Step 5: Solve for x
x = 42,546,065,131.24/229,732.87 - Step 6: Final answer
x = 185,197.99
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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.