Finding the Fourth Proportional to 324,691.56, 448,125.54 and 197,407.08
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Solution
The fourth proportional to 324,691.56, 448,125.54 and 197,407.08 is: 272,452.89
Step by Step Solution
- Step 1: Write the proportion equation
324,691.56 : 448,125.54 = 197,407.08 : x - Step 2: Convert to fraction form
324,691.56/448,125.54 = 197,407.08/x - Step 3: Cross multiply
324,691.56x = 448,125.54 × 197,407.08 - Step 4: Simplify right side
324,691.56x = 88,463,154,324.82 - Step 5: Solve for x
x = 88,463,154,324.82/324,691.56 - Step 6: Final answer
x = 272,452.89
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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.