Finding the Fourth Proportional to 622,408.20, 933,612.30 and 201,726.60
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Solution
The fourth proportional to 622,408.20, 933,612.30 and 201,726.60 is: 302,589.90
Step by Step Solution
- Step 1: Write the proportion equation
622,408.20 : 933,612.30 = 201,726.60 : x - Step 2: Convert to fraction form
622,408.20/933,612.30 = 201,726.60/x - Step 3: Cross multiply
622,408.20x = 933,612.30 × 201,726.60 - Step 4: Simplify right side
622,408.20x = 188,334,434,997.18 - Step 5: Solve for x
x = 188,334,434,997.18/622,408.20 - Step 6: Final answer
x = 302,589.90
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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.