Finding the Fourth Proportional to 845,475.64, 1,268,258.06 and 214,394.92
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Solution
The fourth proportional to 845,475.64, 1,268,258.06 and 214,394.92 is: 321,603.69
Step by Step Solution
- Step 1: Write the proportion equation
845,475.64 : 1,268,258.06 = 214,394.92 : x - Step 2: Convert to fraction form
845,475.64/1,268,258.06 = 214,394.92/x - Step 3: Cross multiply
845,475.64x = 1,268,258.06 × 214,394.92 - Step 4: Simplify right side
845,475.64x = 271,908,085,313.06 - Step 5: Solve for x
x = 271,908,085,313.06/845,475.64 - Step 6: Final answer
x = 321,603.69
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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.