Finding the Fourth Proportional to 324,741.92, 448,129.76 and 177,564.09
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Solution
The fourth proportional to 324,741.92, 448,129.76 and 177,564.09 is: 245,030.74
Step by Step Solution
- Step 1: Write the proportion equation
324,741.92 : 448,129.76 = 177,564.09 : x - Step 2: Convert to fraction form
324,741.92/448,129.76 = 177,564.09/x - Step 3: Cross multiply
324,741.92x = 448,129.76 × 177,564.09 - Step 4: Simplify right side
324,741.92x = 79,571,753,036.32 - Step 5: Solve for x
x = 79,571,753,036.32/324,741.92 - Step 6: Final answer
x = 245,030.74
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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.