Finding the Fourth Proportional to 197,482.16, 272,524.26 and 106,837.88
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Solution
The fourth proportional to 197,482.16, 272,524.26 and 106,837.88 is: 147,435.67
Step by Step Solution
- Step 1: Write the proportion equation
197,482.16 : 272,524.26 = 106,837.88 : x - Step 2: Convert to fraction form
197,482.16/272,524.26 = 106,837.88/x - Step 3: Cross multiply
197,482.16x = 272,524.26 × 106,837.88 - Step 4: Simplify right side
197,482.16x = 29,115,914,186.97 - Step 5: Solve for x
x = 29,115,914,186.97/197,482.16 - Step 6: Final answer
x = 147,435.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.