Finding the Fourth Proportional to 255,121.20, 382,827.60 and 97,462.80
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Solution
The fourth proportional to 255,121.20, 382,827.60 and 97,462.80 is: 146,249.90
Step by Step Solution
- Step 1: Write the proportion equation
255,121.20 : 382,827.60 = 97,462.80 : x - Step 2: Convert to fraction form
255,121.20/382,827.60 = 97,462.80/x - Step 3: Cross multiply
255,121.20x = 382,827.60 × 97,462.80 - Step 4: Simplify right side
255,121.20x = 37,311,449,813.28 - Step 5: Solve for x
x = 37,311,449,813.28/255,121.20 - Step 6: Final answer
x = 146,249.90
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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.