Finding the Fourth Proportional to 201,431.10, 301,782.15 and 96,017.70
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Solution
The fourth proportional to 201,431.10, 301,782.15 and 96,017.70 is: 143,852.80
Step by Step Solution
- Step 1: Write the proportion equation
201,431.10 : 301,782.15 = 96,017.70 : x - Step 2: Convert to fraction form
201,431.10/301,782.15 = 96,017.70/x - Step 3: Cross multiply
201,431.10x = 301,782.15 × 96,017.70 - Step 4: Simplify right side
201,431.10x = 28,976,427,944.06 - Step 5: Solve for x
x = 28,976,427,944.06/201,431.10 - Step 6: Final answer
x = 143,852.80
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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.