Finding the Fourth Proportional to 541,331.28, 811,703.16 and 162,199.44
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Solution
The fourth proportional to 541,331.28, 811,703.16 and 162,199.44 is: 243,211.14
Step by Step Solution
- Step 1: Write the proportion equation
541,331.28 : 811,703.16 = 162,199.44 : x - Step 2: Convert to fraction form
541,331.28/811,703.16 = 162,199.44/x - Step 3: Cross multiply
541,331.28x = 811,703.16 × 162,199.44 - Step 4: Simplify right side
541,331.28x = 131,657,797,998.23 - Step 5: Solve for x
x = 131,657,797,998.23/541,331.28 - Step 6: Final answer
x = 243,211.14
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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.