Finding the Fourth Proportional to 841,155.12, 1,261,732.68 and 250,179.12
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Solution
The fourth proportional to 841,155.12, 1,261,732.68 and 250,179.12 is: 375,268.68
Step by Step Solution
- Step 1: Write the proportion equation
841,155.12 : 1,261,732.68 = 250,179.12 : x - Step 2: Convert to fraction form
841,155.12/1,261,732.68 = 250,179.12/x - Step 3: Cross multiply
841,155.12x = 1,261,732.68 × 250,179.12 - Step 4: Simplify right side
841,155.12x = 315,659,171,557.64 - Step 5: Solve for x
x = 315,659,171,557.64/841,155.12 - Step 6: Final answer
x = 375,268.68
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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.