Finding the Fourth Proportional to 269,564.67, 404,277.82 and 79,980.19
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Solution
The fourth proportional to 269,564.67, 404,277.82 and 79,980.19 is: 119,949.75
Step by Step Solution
- Step 1: Write the proportion equation
269,564.67 : 404,277.82 = 79,980.19 : x - Step 2: Convert to fraction form
269,564.67/404,277.82 = 79,980.19/x - Step 3: Cross multiply
269,564.67x = 404,277.82 × 79,980.19 - Step 4: Simplify right side
269,564.67x = 32,334,215,645.74 - Step 5: Solve for x
x = 32,334,215,645.74/269,564.67 - Step 6: Final answer
x = 119,949.75
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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.