Finding the Fourth Proportional to 283,972.40, 425,440.20 and 173,034.80
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Solution
The fourth proportional to 283,972.40, 425,440.20 and 173,034.80 is: 259,236.32
Step by Step Solution
- Step 1: Write the proportion equation
283,972.40 : 425,440.20 = 173,034.80 : x - Step 2: Convert to fraction form
283,972.40/425,440.20 = 173,034.80/x - Step 3: Cross multiply
283,972.40x = 425,440.20 × 173,034.80 - Step 4: Simplify right side
283,972.40x = 73,615,959,918.96 - Step 5: Solve for x
x = 73,615,959,918.96/283,972.40 - Step 6: Final answer
x = 259,236.32
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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.