Finding the Fourth Proportional to 263,200.12, 394,955.70 and 97,104.76
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Solution
The fourth proportional to 263,200.12, 394,955.70 and 97,104.76 is: 145,714.52
Step by Step Solution
- Step 1: Write the proportion equation
263,200.12 : 394,955.70 = 97,104.76 : x - Step 2: Convert to fraction form
263,200.12/394,955.70 = 97,104.76/x - Step 3: Cross multiply
263,200.12x = 394,955.70 × 97,104.76 - Step 4: Simplify right side
263,200.12x = 38,352,078,459.13 - Step 5: Solve for x
x = 38,352,078,459.13/263,200.12 - Step 6: Final answer
x = 145,714.52
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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.