Finding the Fourth Proportional to 622,080.70, 933,121.05 and 201,658.30
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Solution
The fourth proportional to 622,080.70, 933,121.05 and 201,658.30 is: 302,487.45
Step by Step Solution
- Step 1: Write the proportion equation
622,080.70 : 933,121.05 = 201,658.30 : x - Step 2: Convert to fraction form
622,080.70/933,121.05 = 201,658.30/x - Step 3: Cross multiply
622,080.70x = 933,121.05 × 201,658.30 - Step 4: Simplify right side
622,080.70x = 188,171,604,637.22 - Step 5: Solve for x
x = 188,171,604,637.22/622,080.70 - Step 6: Final answer
x = 302,487.45
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Similar ratio
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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.