Finding the Fourth Proportional to 548,636.07, 757,118.90 and 306,922.68
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Solution
The fourth proportional to 548,636.07, 757,118.90 and 306,922.68 is: 423,553.92
Step by Step Solution
- Step 1: Write the proportion equation
548,636.07 : 757,118.90 = 306,922.68 : x - Step 2: Convert to fraction form
548,636.07/757,118.90 = 306,922.68/x - Step 3: Cross multiply
548,636.07x = 757,118.90 × 306,922.68 - Step 4: Simplify right side
548,636.07x = 232,376,960,332.04 - Step 5: Solve for x
x = 232,376,960,332.04/548,636.07 - Step 6: Final answer
x = 423,553.92
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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.