Finding the Fourth Proportional to 548,983.83, 757,424.97 and 307,227.99
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Solution
The fourth proportional to 548,983.83, 757,424.97 and 307,227.99 is: 423,877.97
Step by Step Solution
- Step 1: Write the proportion equation
548,983.83 : 757,424.97 = 307,227.99 : x - Step 2: Convert to fraction form
548,983.83/757,424.97 = 307,227.99/x - Step 3: Cross multiply
548,983.83x = 757,424.97 × 307,227.99 - Step 4: Simplify right side
548,983.83x = 232,702,151,108.91 - Step 5: Solve for x
x = 232,702,151,108.91/548,983.83 - Step 6: Final answer
x = 423,877.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.