Finding the Fourth Proportional to 189,540.52, 284,409.18 and 77,303.08
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Solution
The fourth proportional to 189,540.52, 284,409.18 and 77,303.08 is: 115,994.75
Step by Step Solution
- Step 1: Write the proportion equation
189,540.52 : 284,409.18 = 77,303.08 : x - Step 2: Convert to fraction form
189,540.52/284,409.18 = 77,303.08/x - Step 3: Cross multiply
189,540.52x = 284,409.18 × 77,303.08 - Step 4: Simplify right side
189,540.52x = 21,985,705,594.27 - Step 5: Solve for x
x = 21,985,705,594.27/189,540.52 - Step 6: Final answer
x = 115,994.75
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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.