Finding the Fourth Proportional to 442,630.92, 664,610.60 and 253,305.08
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Solution
The fourth proportional to 442,630.92, 664,610.60 and 253,305.08 is: 380,337.73
Step by Step Solution
- Step 1: Write the proportion equation
442,630.92 : 664,610.60 = 253,305.08 : x - Step 2: Convert to fraction form
442,630.92/664,610.60 = 253,305.08/x - Step 3: Cross multiply
442,630.92x = 664,610.60 × 253,305.08 - Step 4: Simplify right side
442,630.92x = 168,349,241,201.85 - Step 5: Solve for x
x = 168,349,241,201.85/442,630.92 - Step 6: Final answer
x = 380,337.73
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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.