Finding the Fourth Proportional to 207,984.28, 312,151.36 and 194,862.28
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Solution
The fourth proportional to 207,984.28, 312,151.36 and 194,862.28 is: 292,457.32
Step by Step Solution
- Step 1: Write the proportion equation
207,984.28 : 312,151.36 = 194,862.28 : x - Step 2: Convert to fraction form
207,984.28/312,151.36 = 194,862.28/x - Step 3: Cross multiply
207,984.28x = 312,151.36 × 194,862.28 - Step 4: Simplify right side
207,984.28x = 60,826,525,714.70 - Step 5: Solve for x
x = 60,826,525,714.70/207,984.28 - Step 6: Final answer
x = 292,457.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.