Finding the Fourth Proportional to 207,034.80, 310,552.20 and 144,049.20
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Solution
The fourth proportional to 207,034.80, 310,552.20 and 144,049.20 is: 216,073.80
Step by Step Solution
- Step 1: Write the proportion equation
207,034.80 : 310,552.20 = 144,049.20 : x - Step 2: Convert to fraction form
207,034.80/310,552.20 = 144,049.20/x - Step 3: Cross multiply
207,034.80x = 310,552.20 × 144,049.20 - Step 4: Simplify right side
207,034.80x = 44,734,795,968.24 - Step 5: Solve for x
x = 44,734,795,968.24/207,034.80 - Step 6: Final answer
x = 216,073.80
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1.5x scale
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.