Finding the Fourth Proportional to 440,201.64, 606,118.06 and 343,794.92
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Solution
The fourth proportional to 440,201.64, 606,118.06 and 343,794.92 is: 473,374.68
Step by Step Solution
- Step 1: Write the proportion equation
440,201.64 : 606,118.06 = 343,794.92 : x - Step 2: Convert to fraction form
440,201.64/606,118.06 = 343,794.92/x - Step 3: Cross multiply
440,201.64x = 606,118.06 × 343,794.92 - Step 4: Simplify right side
440,201.64x = 208,380,309,948.26 - Step 5: Solve for x
x = 208,380,309,948.26/440,201.64 - Step 6: Final answer
x = 473,374.68
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1.5x scale
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.