Finding the Fourth Proportional to 190,716.80, 286,204.80 and 106,476.80
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Solution
The fourth proportional to 190,716.80, 286,204.80 and 106,476.80 is: 159,787.56
Step by Step Solution
- Step 1: Write the proportion equation
190,716.80 : 286,204.80 = 106,476.80 : x - Step 2: Convert to fraction form
190,716.80/286,204.80 = 106,476.80/x - Step 3: Cross multiply
190,716.80x = 286,204.80 × 106,476.80 - Step 4: Simplify right side
190,716.80x = 30,474,171,248.64 - Step 5: Solve for x
x = 30,474,171,248.64/190,716.80 - Step 6: Final answer
x = 159,787.56
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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.