Finding the Fourth Proportional to 243,230.06, 334,914.36 and 220,420.60
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Solution
The fourth proportional to 243,230.06, 334,914.36 and 220,420.60 is: 303,506.99
Step by Step Solution
- Step 1: Write the proportion equation
243,230.06 : 334,914.36 = 220,420.60 : x - Step 2: Convert to fraction form
243,230.06/334,914.36 = 220,420.60/x - Step 3: Cross multiply
243,230.06x = 334,914.36 × 220,420.60 - Step 4: Simplify right side
243,230.06x = 73,822,022,505.24 - Step 5: Solve for x
x = 73,822,022,505.24/243,230.06 - Step 6: Final answer
x = 303,506.99
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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.