Finding the Fourth Proportional to 325,235.08, 487,142.12 and 135,119.03
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Solution
The fourth proportional to 325,235.08, 487,142.12 and 135,119.03 is: 202,383.36
Step by Step Solution
- Step 1: Write the proportion equation
325,235.08 : 487,142.12 = 135,119.03 : x - Step 2: Convert to fraction form
325,235.08/487,142.12 = 135,119.03/x - Step 3: Cross multiply
325,235.08x = 487,142.12 × 135,119.03 - Step 4: Simplify right side
325,235.08x = 65,822,169,846.49 - Step 5: Solve for x
x = 65,822,169,846.49/325,235.08 - Step 6: Final answer
x = 202,383.36
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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.