Finding the Fourth Proportional to 189,712.13, 284,054.99 and 118,464.12
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Solution
The fourth proportional to 189,712.13, 284,054.99 and 118,464.12 is: 177,375.72
Step by Step Solution
- Step 1: Write the proportion equation
189,712.13 : 284,054.99 = 118,464.12 : x - Step 2: Convert to fraction form
189,712.13/284,054.99 = 118,464.12/x - Step 3: Cross multiply
189,712.13x = 284,054.99 × 118,464.12 - Step 4: Simplify right side
189,712.13x = 33,650,323,829.64 - Step 5: Solve for x
x = 33,650,323,829.64/189,712.13 - Step 6: Final answer
x = 177,375.72
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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.