Finding the Fourth Proportional to 451,239.40, 676,859.10 and 170,765.80
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Solution
The fourth proportional to 451,239.40, 676,859.10 and 170,765.80 is: 256,148.70
Step by Step Solution
- Step 1: Write the proportion equation
451,239.40 : 676,859.10 = 170,765.80 : x - Step 2: Convert to fraction form
451,239.40/676,859.10 = 170,765.80/x - Step 3: Cross multiply
451,239.40x = 676,859.10 × 170,765.80 - Step 4: Simplify right side
451,239.40x = 115,584,385,698.78 - Step 5: Solve for x
x = 115,584,385,698.78/451,239.40 - Step 6: Final answer
x = 256,148.70
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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.