Finding the Fourth Proportional to 365,497.60, 548,246.40 and 282,451.20
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Solution
The fourth proportional to 365,497.60, 548,246.40 and 282,451.20 is: 423,676.80
Step by Step Solution
- Step 1: Write the proportion equation
365,497.60 : 548,246.40 = 282,451.20 : x - Step 2: Convert to fraction form
365,497.60/548,246.40 = 282,451.20/x - Step 3: Cross multiply
365,497.60x = 548,246.40 × 282,451.20 - Step 4: Simplify right side
365,497.60x = 154,852,853,575.68 - Step 5: Solve for x
x = 154,852,853,575.68/365,497.60 - Step 6: Final answer
x = 423,676.80
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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.