Finding the Fourth Proportional to 136,268.98, 204,345.12 and 47,496.22
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Solution
The fourth proportional to 136,268.98, 204,345.12 and 47,496.22 is: 71,223.99
Step by Step Solution
- Step 1: Write the proportion equation
136,268.98 : 204,345.12 = 47,496.22 : x - Step 2: Convert to fraction form
136,268.98/204,345.12 = 47,496.22/x - Step 3: Cross multiply
136,268.98x = 204,345.12 × 47,496.22 - Step 4: Simplify right side
136,268.98x = 9,705,620,775.45 - Step 5: Solve for x
x = 9,705,620,775.45/136,268.98 - Step 6: Final answer
x = 71,223.99
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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.