Finding the Fourth Proportional to 622,086.12, 933,118.02 and 201,362.40
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Solution
The fourth proportional to 622,086.12, 933,118.02 and 201,362.40 is: 302,039.99
Step by Step Solution
- Step 1: Write the proportion equation
622,086.12 : 933,118.02 = 201,362.40 : x - Step 2: Convert to fraction form
622,086.12/933,118.02 = 201,362.40/x - Step 3: Cross multiply
622,086.12x = 933,118.02 × 201,362.40 - Step 4: Simplify right side
622,086.12x = 187,894,883,990.45 - Step 5: Solve for x
x = 187,894,883,990.45/622,086.12 - Step 6: Final answer
x = 302,039.99
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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.