Finding the Fourth Proportional to 505,511.49, 758,214.18 and 168,515.85
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Solution
The fourth proportional to 505,511.49, 758,214.18 and 168,515.85 is: 252,756.09
Step by Step Solution
- Step 1: Write the proportion equation
505,511.49 : 758,214.18 = 168,515.85 : x - Step 2: Convert to fraction form
505,511.49/758,214.18 = 168,515.85/x - Step 3: Cross multiply
505,511.49x = 758,214.18 × 168,515.85 - Step 4: Simplify right side
505,511.49x = 127,771,107,024.75 - Step 5: Solve for x
x = 127,771,107,024.75/505,511.49 - Step 6: Final answer
x = 252,756.09
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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.