Finding the Fourth Proportional to 307,593.80, 461,390.70 and 201,305.60
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Solution
The fourth proportional to 307,593.80, 461,390.70 and 201,305.60 is: 301,958.40
Step by Step Solution
- Step 1: Write the proportion equation
307,593.80 : 461,390.70 = 201,305.60 : x - Step 2: Convert to fraction form
307,593.80/461,390.70 = 201,305.60/x - Step 3: Cross multiply
307,593.80x = 461,390.70 × 201,305.60 - Step 4: Simplify right side
307,593.80x = 92,880,531,697.92 - Step 5: Solve for x
x = 92,880,531,697.92/307,593.80 - Step 6: Final answer
x = 301,958.40
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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.