Finding the Fourth Proportional to 296,101.97, 408,619.53 and 160,136.05
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Solution
The fourth proportional to 296,101.97, 408,619.53 and 160,136.05 is: 220,987.11
Step by Step Solution
- Step 1: Write the proportion equation
296,101.97 : 408,619.53 = 160,136.05 : x - Step 2: Convert to fraction form
296,101.97/408,619.53 = 160,136.05/x - Step 3: Cross multiply
296,101.97x = 408,619.53 × 160,136.05 - Step 4: Simplify right side
296,101.97x = 65,434,717,487.06 - Step 5: Solve for x
x = 65,434,717,487.06/296,101.97 - Step 6: Final answer
x = 220,987.11
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1.5x scale
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.