Finding the Fourth Proportional to 216,824.99, 299,204.01 and 120,022.29
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Solution
The fourth proportional to 216,824.99, 299,204.01 and 120,022.29 is: 165,622.75
Step by Step Solution
- Step 1: Write the proportion equation
216,824.99 : 299,204.01 = 120,022.29 : x - Step 2: Convert to fraction form
216,824.99/299,204.01 = 120,022.29/x - Step 3: Cross multiply
216,824.99x = 299,204.01 × 120,022.29 - Step 4: Simplify right side
216,824.99x = 35,911,150,457.38 - Step 5: Solve for x
x = 35,911,150,457.38/216,824.99 - Step 6: Final answer
x = 165,622.75
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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.