Finding the Fourth Proportional to 512,733.96, 769,157.16 and 213,249.96
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Solution
The fourth proportional to 512,733.96, 769,157.16 and 213,249.96 is: 319,898.32
Step by Step Solution
- Step 1: Write the proportion equation
512,733.96 : 769,157.16 = 213,249.96 : x - Step 2: Convert to fraction form
512,733.96/769,157.16 = 213,249.96/x - Step 3: Cross multiply
512,733.96x = 769,157.16 × 213,249.96 - Step 4: Simplify right side
512,733.96x = 164,022,733,603.71 - Step 5: Solve for x
x = 164,022,733,603.71/512,733.96 - Step 6: Final answer
x = 319,898.32
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1.5x scale
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.