Finding the Fourth Proportional to 378,495.11, 567,744.80 and 112,257.63
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Solution
The fourth proportional to 378,495.11, 567,744.80 and 112,257.63 is: 168,387.08
Step by Step Solution
- Step 1: Write the proportion equation
378,495.11 : 567,744.80 = 112,257.63 : x - Step 2: Convert to fraction form
378,495.11/567,744.80 = 112,257.63/x - Step 3: Cross multiply
378,495.11x = 567,744.80 × 112,257.63 - Step 4: Simplify right side
378,495.11x = 63,733,685,131.54 - Step 5: Solve for x
x = 63,733,685,131.54/378,495.11 - Step 6: Final answer
x = 168,387.08
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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.