Finding the Fourth Proportional to 321,246.60, 481,598.28 and 202,657.20
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Solution
The fourth proportional to 321,246.60, 481,598.28 and 202,657.20 is: 303,814.45
Step by Step Solution
- Step 1: Write the proportion equation
321,246.60 : 481,598.28 = 202,657.20 : x - Step 2: Convert to fraction form
321,246.60/481,598.28 = 202,657.20/x - Step 3: Cross multiply
321,246.60x = 481,598.28 × 202,657.20 - Step 4: Simplify right side
321,246.60x = 97,599,358,949.62 - Step 5: Solve for x
x = 97,599,358,949.62/321,246.60 - Step 6: Final answer
x = 303,814.45
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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.