Finding the Fourth Proportional to 396,192.62, 546,742.58 and 214,904.09
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Solution
The fourth proportional to 396,192.62, 546,742.58 and 214,904.09 is: 296,565.88
Step by Step Solution
- Step 1: Write the proportion equation
396,192.62 : 546,742.58 = 214,904.09 : x - Step 2: Convert to fraction form
396,192.62/546,742.58 = 214,904.09/x - Step 3: Cross multiply
396,192.62x = 546,742.58 × 214,904.09 - Step 4: Simplify right side
396,192.62x = 117,497,212,810.92 - Step 5: Solve for x
x = 117,497,212,810.92/396,192.62 - Step 6: Final answer
x = 296,565.88
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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.