Finding the Fourth Proportional to 189,024.80, 283,537.20 and 126,039.20
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Solution
The fourth proportional to 189,024.80, 283,537.20 and 126,039.20 is: 189,058.80
Step by Step Solution
- Step 1: Write the proportion equation
189,024.80 : 283,537.20 = 126,039.20 : x - Step 2: Convert to fraction form
189,024.80/283,537.20 = 126,039.20/x - Step 3: Cross multiply
189,024.80x = 283,537.20 × 126,039.20 - Step 4: Simplify right side
189,024.80x = 35,736,801,858.24 - Step 5: Solve for x
x = 35,736,801,858.24/189,024.80 - Step 6: Final answer
x = 189,058.80
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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.