Finding the Fourth Proportional to 829,237.97, 1,243,863.87 and 230,245.84
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Solution
The fourth proportional to 829,237.97, 1,243,863.87 and 230,245.84 is: 345,370.68
Step by Step Solution
- Step 1: Write the proportion equation
829,237.97 : 1,243,863.87 = 230,245.84 : x - Step 2: Convert to fraction form
829,237.97/1,243,863.87 = 230,245.84/x - Step 3: Cross multiply
829,237.97x = 1,243,863.87 × 230,245.84 - Step 4: Simplify right side
829,237.97x = 286,394,478,484.14 - Step 5: Solve for x
x = 286,394,478,484.14/829,237.97 - Step 6: Final answer
x = 345,370.68
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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.