Finding the Fourth Proportional to 296,331.75, 408,937.79 and 160,365.70
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Solution
The fourth proportional to 296,331.75, 408,937.79 and 160,365.70 is: 221,304.65
Step by Step Solution
- Step 1: Write the proportion equation
296,331.75 : 408,937.79 = 160,365.70 : x - Step 2: Convert to fraction form
296,331.75/408,937.79 = 160,365.70/x - Step 3: Cross multiply
296,331.75x = 408,937.79 × 160,365.70 - Step 4: Simplify right side
296,331.75x = 65,579,594,328.37 - Step 5: Solve for x
x = 65,579,594,328.37/296,331.75 - Step 6: Final answer
x = 221,304.65
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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.