Finding the Fourth Proportional to 296,120.54, 408,649.66 and 160,157.18
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Solution
The fourth proportional to 296,120.54, 408,649.66 and 160,157.18 is: 221,018.70
Step by Step Solution
- Step 1: Write the proportion equation
296,120.54 : 408,649.66 = 160,157.18 : x - Step 2: Convert to fraction form
296,120.54/408,649.66 = 160,157.18/x - Step 3: Cross multiply
296,120.54x = 408,649.66 × 160,157.18 - Step 4: Simplify right side
296,120.54x = 65,448,177,774.79 - Step 5: Solve for x
x = 65,448,177,774.79/296,120.54 - Step 6: Final answer
x = 221,018.70
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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.