Finding the Fourth Proportional to 321,604.06, 443,405.73 and 229,832.95
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Solution
The fourth proportional to 321,604.06, 443,405.73 and 229,832.95 is: 316,877.99
Step by Step Solution
- Step 1: Write the proportion equation
321,604.06 : 443,405.73 = 229,832.95 : x - Step 2: Convert to fraction form
321,604.06/443,405.73 = 229,832.95/x - Step 3: Cross multiply
321,604.06x = 443,405.73 × 229,832.95 - Step 4: Simplify right side
321,604.06x = 101,909,246,972.80 - Step 5: Solve for x
x = 101,909,246,972.80/321,604.06 - Step 6: Final answer
x = 316,877.99
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1.5x scale
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.