Finding the Fourth Proportional to 287,650.97, 396,960.18 and 160,334.63
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Solution
The fourth proportional to 287,650.97, 396,960.18 and 160,334.63 is: 221,262.82
Step by Step Solution
- Step 1: Write the proportion equation
287,650.97 : 396,960.18 = 160,334.63 : x - Step 2: Convert to fraction form
287,650.97/396,960.18 = 160,334.63/x - Step 3: Cross multiply
287,650.97x = 396,960.18 × 160,334.63 - Step 4: Simplify right side
287,650.97x = 63,646,463,585.03 - Step 5: Solve for x
x = 63,646,463,585.03/287,650.97 - Step 6: Final answer
x = 221,262.82
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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.