Finding the Fourth Proportional to 567,231.68, 782,769.67 and 309,110.94
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Solution
The fourth proportional to 567,231.68, 782,769.67 and 309,110.94 is: 426,567.62
Step by Step Solution
- Step 1: Write the proportion equation
567,231.68 : 782,769.67 = 309,110.94 : x - Step 2: Convert to fraction form
567,231.68/782,769.67 = 309,110.94/x - Step 3: Cross multiply
567,231.68x = 782,769.67 × 309,110.94 - Step 4: Simplify right side
567,231.68x = 241,962,668,497.19 - Step 5: Solve for x
x = 241,962,668,497.19/567,231.68 - Step 6: Final answer
x = 426,567.62
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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.