Finding the Fourth Proportional to 378,537.45, 567,913.45 and 154,058.99
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Solution
The fourth proportional to 378,537.45, 567,913.45 and 154,058.99 is: 231,132.14
Step by Step Solution
- Step 1: Write the proportion equation
378,537.45 : 567,913.45 = 154,058.99 : x - Step 2: Convert to fraction form
378,537.45/567,913.45 = 154,058.99/x - Step 3: Cross multiply
378,537.45x = 567,913.45 × 154,058.99 - Step 4: Simplify right side
378,537.45x = 87,492,170,954.38 - Step 5: Solve for x
x = 87,492,170,954.38/378,537.45 - Step 6: Final answer
x = 231,132.14
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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.