Finding the Fourth Proportional to 358,853.14, 538,261.82 and 134,197.06
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Solution
The fourth proportional to 358,853.14, 538,261.82 and 134,197.06 is: 201,288.89
Step by Step Solution
- Step 1: Write the proportion equation
358,853.14 : 538,261.82 = 134,197.06 : x - Step 2: Convert to fraction form
358,853.14/538,261.82 = 134,197.06/x - Step 3: Cross multiply
358,853.14x = 538,261.82 × 134,197.06 - Step 4: Simplify right side
358,853.14x = 72,233,150,391.95 - Step 5: Solve for x
x = 72,233,150,391.95/358,853.14 - Step 6: Final answer
x = 201,288.89
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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.