Finding the Fourth Proportional to 321,983.10, 482,974.65 and 202,232.70
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Solution
The fourth proportional to 321,983.10, 482,974.65 and 202,232.70 is: 303,349.05
Step by Step Solution
- Step 1: Write the proportion equation
321,983.10 : 482,974.65 = 202,232.70 : x - Step 2: Convert to fraction form
321,983.10/482,974.65 = 202,232.70/x - Step 3: Cross multiply
321,983.10x = 482,974.65 × 202,232.70 - Step 4: Simplify right side
321,983.10x = 97,673,267,501.06 - Step 5: Solve for x
x = 97,673,267,501.06/321,983.10 - Step 6: Final answer
x = 303,349.05
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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.