Finding the Fourth Proportional to 325,403.52, 488,055.12 and 88,765.44
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Solution
The fourth proportional to 325,403.52, 488,055.12 and 88,765.44 is: 133,134.48
Step by Step Solution
- Step 1: Write the proportion equation
325,403.52 : 488,055.12 = 88,765.44 : x - Step 2: Convert to fraction form
325,403.52/488,055.12 = 88,765.44/x - Step 3: Cross multiply
325,403.52x = 488,055.12 × 88,765.44 - Step 4: Simplify right side
325,403.52x = 43,322,427,471.05 - Step 5: Solve for x
x = 43,322,427,471.05/325,403.52 - Step 6: Final answer
x = 133,134.48
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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.