Finding the Fourth Proportional to 254,518.20, 381,121.20 and 202,030.20
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Solution
The fourth proportional to 254,518.20, 381,121.20 and 202,030.20 is: 302,524.50
Step by Step Solution
- Step 1: Write the proportion equation
254,518.20 : 381,121.20 = 202,030.20 : x - Step 2: Convert to fraction form
254,518.20/381,121.20 = 202,030.20/x - Step 3: Cross multiply
254,518.20x = 381,121.20 × 202,030.20 - Step 4: Simplify right side
254,518.20x = 76,997,992,260.24 - Step 5: Solve for x
x = 76,997,992,260.24/254,518.20 - Step 6: Final answer
x = 302,524.50
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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.