Finding the Fourth Proportional to 263,544.36, 363,690.68 and 142,685.71
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Solution
The fourth proportional to 263,544.36, 363,690.68 and 142,685.71 is: 196,905.99
Step by Step Solution
- Step 1: Write the proportion equation
263,544.36 : 363,690.68 = 142,685.71 : x - Step 2: Convert to fraction form
263,544.36/363,690.68 = 142,685.71/x - Step 3: Cross multiply
263,544.36x = 363,690.68 × 142,685.71 - Step 4: Simplify right side
263,544.36x = 51,893,462,896.18 - Step 5: Solve for x
x = 51,893,462,896.18/263,544.36 - Step 6: Final answer
x = 196,905.99
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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.