Finding the Fourth Proportional to 516,128.82, 774,193.11 and 161,173.26
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Solution
The fourth proportional to 516,128.82, 774,193.11 and 161,173.26 is: 241,759.85
Step by Step Solution
- Step 1: Write the proportion equation
516,128.82 : 774,193.11 = 161,173.26 : x - Step 2: Convert to fraction form
516,128.82/774,193.11 = 161,173.26/x - Step 3: Cross multiply
516,128.82x = 774,193.11 × 161,173.26 - Step 4: Simplify right side
516,128.82x = 124,779,227,408.24 - Step 5: Solve for x
x = 124,779,227,408.24/516,128.82 - Step 6: Final answer
x = 241,759.85
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1.5x scale
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.