Finding the Fourth Proportional to 325,489.68, 449,110.08 and 189,545.76
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Solution
The fourth proportional to 325,489.68, 449,110.08 and 189,545.76 is: 261,534.90
Step by Step Solution
- Step 1: Write the proportion equation
325,489.68 : 449,110.08 = 189,545.76 : x - Step 2: Convert to fraction form
325,489.68/449,110.08 = 189,545.76/x - Step 3: Cross multiply
325,489.68x = 449,110.08 × 189,545.76 - Step 4: Simplify right side
325,489.68x = 85,126,911,437.26 - Step 5: Solve for x
x = 85,126,911,437.26/325,489.68 - Step 6: Final answer
x = 261,534.90
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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.