Finding the Fourth Proportional to 358,857.10, 538,267.75 and 134,201.02
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Solution
The fourth proportional to 358,857.10, 538,267.75 and 134,201.02 is: 201,294.84
Step by Step Solution
- Step 1: Write the proportion equation
358,857.10 : 538,267.75 = 134,201.02 : x - Step 2: Convert to fraction form
358,857.10/538,267.75 = 134,201.02/x - Step 3: Cross multiply
358,857.10x = 538,267.75 × 134,201.02 - Step 4: Simplify right side
358,857.10x = 72,236,081,083.11 - Step 5: Solve for x
x = 72,236,081,083.11/358,857.10 - Step 6: Final answer
x = 201,294.84
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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.