Finding the Fourth Proportional to 513,183.99, 708,165.33 and 283,727.90
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Solution
The fourth proportional to 513,183.99, 708,165.33 and 283,727.90 is: 391,528.70
Step by Step Solution
- Step 1: Write the proportion equation
513,183.99 : 708,165.33 = 283,727.90 : x - Step 2: Convert to fraction form
513,183.99/708,165.33 = 283,727.90/x - Step 3: Cross multiply
513,183.99x = 708,165.33 × 283,727.90 - Step 4: Simplify right side
513,183.99x = 200,926,263,240.25 - Step 5: Solve for x
x = 200,926,263,240.25/513,183.99 - Step 6: Final answer
x = 391,528.70
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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.