Finding the Fourth Proportional to 378,126.32, 567,425.94 and 153,486.68
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Solution
The fourth proportional to 378,126.32, 567,425.94 and 153,486.68 is: 230,326.00
Step by Step Solution
- Step 1: Write the proportion equation
378,126.32 : 567,425.94 = 153,486.68 : x - Step 2: Convert to fraction form
378,126.32/567,425.94 = 153,486.68/x - Step 3: Cross multiply
378,126.32x = 567,425.94 × 153,486.68 - Step 4: Simplify right side
378,126.32x = 87,092,323,676.48 - Step 5: Solve for x
x = 87,092,323,676.48/378,126.32 - Step 6: Final answer
x = 230,326.00
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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.