Finding the Fourth Proportional to 270,364.87, 405,791.07 and 144,110.28
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Solution
The fourth proportional to 270,364.87, 405,791.07 and 144,110.28 is: 216,295.34
Step by Step Solution
- Step 1: Write the proportion equation
270,364.87 : 405,791.07 = 144,110.28 : x - Step 2: Convert to fraction form
270,364.87/405,791.07 = 144,110.28/x - Step 3: Cross multiply
270,364.87x = 405,791.07 × 144,110.28 - Step 4: Simplify right side
270,364.87x = 58,478,662,690.24 - Step 5: Solve for x
x = 58,478,662,690.24/270,364.87 - Step 6: Final answer
x = 216,295.34
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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.