Finding the Fourth Proportional to 325,829.99, 449,626.82 and 189,886.07
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Solution
The fourth proportional to 325,829.99, 449,626.82 and 189,886.07 is: 262,031.96
Step by Step Solution
- Step 1: Write the proportion equation
325,829.99 : 449,626.82 = 189,886.07 : x - Step 2: Convert to fraction form
325,829.99/449,626.82 = 189,886.07/x - Step 3: Cross multiply
325,829.99x = 449,626.82 × 189,886.07 - Step 4: Simplify right side
325,829.99x = 85,377,869,991.03 - Step 5: Solve for x
x = 85,377,869,991.03/325,829.99 - Step 6: Final answer
x = 262,031.96
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1.5x scale
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.