Finding the Fourth Proportional to 513,244.13, 769,850.25 and 213,717.17
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Solution
The fourth proportional to 513,244.13, 769,850.25 and 213,717.17 is: 320,569.11
Step by Step Solution
- Step 1: Write the proportion equation
513,244.13 : 769,850.25 = 213,717.17 : x - Step 2: Convert to fraction form
513,244.13/769,850.25 = 213,717.17/x - Step 3: Cross multiply
513,244.13x = 769,850.25 × 213,717.17 - Step 4: Simplify right side
513,244.13x = 164,530,212,904.54 - Step 5: Solve for x
x = 164,530,212,904.54/513,244.13 - Step 6: Final answer
x = 320,569.11
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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.