Finding the Fourth Proportional to 423,179.24, 634,766.12 and 107,633.44
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Solution
The fourth proportional to 423,179.24, 634,766.12 and 107,633.44 is: 161,449.46
Step by Step Solution
- Step 1: Write the proportion equation
423,179.24 : 634,766.12 = 107,633.44 : x - Step 2: Convert to fraction form
423,179.24/634,766.12 = 107,633.44/x - Step 3: Cross multiply
423,179.24x = 634,766.12 × 107,633.44 - Step 4: Simplify right side
423,179.24x = 68,322,061,091.05 - Step 5: Solve for x
x = 68,322,061,091.05/423,179.24 - Step 6: Final answer
x = 161,449.46
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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.