Finding the Fourth Proportional to 189,507.60, 284,245.00 and 77,199.68
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Solution
The fourth proportional to 189,507.60, 284,245.00 and 77,199.68 is: 115,792.84
Step by Step Solution
- Step 1: Write the proportion equation
189,507.60 : 284,245.00 = 77,199.68 : x - Step 2: Convert to fraction form
189,507.60/284,245.00 = 77,199.68/x - Step 3: Cross multiply
189,507.60x = 284,245.00 × 77,199.68 - Step 4: Simplify right side
189,507.60x = 21,943,623,559.21 - Step 5: Solve for x
x = 21,943,623,559.21/189,507.60 - Step 6: Final answer
x = 115,792.84
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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.