Finding the Fourth Proportional to 321,900.10, 482,850.15 and 202,927.30
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Solution
The fourth proportional to 321,900.10, 482,850.15 and 202,927.30 is: 304,390.95
Step by Step Solution
- Step 1: Write the proportion equation
321,900.10 : 482,850.15 = 202,927.30 : x - Step 2: Convert to fraction form
321,900.10/482,850.15 = 202,927.30/x - Step 3: Cross multiply
321,900.10x = 482,850.15 × 202,927.30 - Step 4: Simplify right side
321,900.10x = 97,983,477,244.10 - Step 5: Solve for x
x = 97,983,477,244.10/321,900.10 - Step 6: Final answer
x = 304,390.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.