Finding the Fourth Proportional to 189,392.14, 284,156.55 and 117,261.12
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Solution
The fourth proportional to 189,392.14, 284,156.55 and 117,261.12 is: 175,933.99
Step by Step Solution
- Step 1: Write the proportion equation
189,392.14 : 284,156.55 = 117,261.12 : x - Step 2: Convert to fraction form
189,392.14/284,156.55 = 117,261.12/x - Step 3: Cross multiply
189,392.14x = 284,156.55 × 117,261.12 - Step 4: Simplify right side
189,392.14x = 33,320,515,308.34 - Step 5: Solve for x
x = 33,320,515,308.34/189,392.14 - Step 6: Final answer
x = 175,933.99
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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.