Finding the Fourth Proportional to 358,805.06, 538,304.74 and 134,188.31
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Solution
The fourth proportional to 358,805.06, 538,304.74 and 134,188.31 is: 201,318.79
Step by Step Solution
- Step 1: Write the proportion equation
358,805.06 : 538,304.74 = 134,188.31 : x - Step 2: Convert to fraction form
358,805.06/538,304.74 = 134,188.31/x - Step 3: Cross multiply
358,805.06x = 538,304.74 × 134,188.31 - Step 4: Simplify right side
358,805.06x = 72,234,200,634.07 - Step 5: Solve for x
x = 72,234,200,634.07/358,805.06 - Step 6: Final answer
x = 201,318.79
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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.