Finding the Fourth Proportional to 622,072.20, 933,108.30 and 201,649.80
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Solution
The fourth proportional to 622,072.20, 933,108.30 and 201,649.80 is: 302,474.70
Step by Step Solution
- Step 1: Write the proportion equation
622,072.20 : 933,108.30 = 201,649.80 : x - Step 2: Convert to fraction form
622,072.20/933,108.30 = 201,649.80/x - Step 3: Cross multiply
622,072.20x = 933,108.30 × 201,649.80 - Step 4: Simplify right side
622,072.20x = 188,161,102,073.34 - Step 5: Solve for x
x = 188,161,102,073.34/622,072.20 - Step 6: Final answer
x = 302,474.70
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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.