Finding the Fourth Proportional to 306,264.24, 422,508.24 and 178,883.64
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Solution
The fourth proportional to 306,264.24, 422,508.24 and 178,883.64 is: 246,779.75
Step by Step Solution
- Step 1: Write the proportion equation
306,264.24 : 422,508.24 = 178,883.64 : x - Step 2: Convert to fraction form
306,264.24/422,508.24 = 178,883.64/x - Step 3: Cross multiply
306,264.24x = 422,508.24 × 178,883.64 - Step 4: Simplify right side
306,264.24x = 75,579,811,901.19 - Step 5: Solve for x
x = 75,579,811,901.19/306,264.24 - Step 6: Final answer
x = 246,779.75
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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.