Finding the Fourth Proportional to 358,853.07, 538,261.72 and 134,196.99
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Solution
The fourth proportional to 358,853.07, 538,261.72 and 134,196.99 is: 201,288.80
Step by Step Solution
- Step 1: Write the proportion equation
358,853.07 : 538,261.72 = 134,196.99 : x - Step 2: Convert to fraction form
358,853.07/538,261.72 = 134,196.99/x - Step 3: Cross multiply
358,853.07x = 538,261.72 × 134,196.99 - Step 4: Simplify right side
358,853.07x = 72,233,104,084.83 - Step 5: Solve for x
x = 72,233,104,084.83/358,853.07 - Step 6: Final answer
x = 201,288.80
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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.