Finding the Fourth Proportional to 513,593.17, 769,972.20 and 214,296.68
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Solution
The fourth proportional to 513,593.17, 769,972.20 and 214,296.68 is: 321,270.80
Step by Step Solution
- Step 1: Write the proportion equation
513,593.17 : 769,972.20 = 214,296.68 : x - Step 2: Convert to fraction form
513,593.17/769,972.20 = 214,296.68/x - Step 3: Cross multiply
513,593.17x = 769,972.20 × 214,296.68 - Step 4: Simplify right side
513,593.17x = 165,002,487,273.61 - Step 5: Solve for x
x = 165,002,487,273.61/513,593.17 - Step 6: Final answer
x = 321,270.80
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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.