Finding the Fourth Proportional to 411,518.57, 567,786.11 and 282,496.50
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Solution
The fourth proportional to 411,518.57, 567,786.11 and 282,496.50 is: 389,769.99
Step by Step Solution
- Step 1: Write the proportion equation
411,518.57 : 567,786.11 = 282,496.50 : x - Step 2: Convert to fraction form
411,518.57/567,786.11 = 282,496.50/x - Step 3: Cross multiply
411,518.57x = 567,786.11 × 282,496.50 - Step 4: Simplify right side
411,518.57x = 160,397,587,411.13 - Step 5: Solve for x
x = 160,397,587,411.13/411,518.57 - Step 6: Final answer
x = 389,769.99
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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.