Finding the Fourth Proportional to 238,591.25, 357,827.84 and 142,554.68
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Solution
The fourth proportional to 238,591.25, 357,827.84 and 142,554.68 is: 213,796.74
Step by Step Solution
- Step 1: Write the proportion equation
238,591.25 : 357,827.84 = 142,554.68 : x - Step 2: Convert to fraction form
238,591.25/357,827.84 = 142,554.68/x - Step 3: Cross multiply
238,591.25x = 357,827.84 × 142,554.68 - Step 4: Simplify right side
238,591.25x = 51,010,030,724.38 - Step 5: Solve for x
x = 51,010,030,724.38/238,591.25 - Step 6: Final answer
x = 213,796.74
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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.