Finding the Fourth Proportional to 446,340.64, 615,951.12 and 245,149.60
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Solution
The fourth proportional to 446,340.64, 615,951.12 and 245,149.60 is: 338,307.02
Step by Step Solution
- Step 1: Write the proportion equation
446,340.64 : 615,951.12 = 245,149.60 : x - Step 2: Convert to fraction form
446,340.64/615,951.12 = 245,149.60/x - Step 3: Cross multiply
446,340.64x = 615,951.12 × 245,149.60 - Step 4: Simplify right side
446,340.64x = 151,000,170,687.55 - Step 5: Solve for x
x = 151,000,170,687.55/446,340.64 - Step 6: Final answer
x = 338,307.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.