Finding the Fourth Proportional to 197,175.70, 272,102.58 and 106,531.64
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Solution
The fourth proportional to 197,175.70, 272,102.58 and 106,531.64 is: 147,013.72
Step by Step Solution
- Step 1: Write the proportion equation
197,175.70 : 272,102.58 = 106,531.64 : x - Step 2: Convert to fraction form
197,175.70/272,102.58 = 106,531.64/x - Step 3: Cross multiply
197,175.70x = 272,102.58 × 106,531.64 - Step 4: Simplify right side
197,175.70x = 28,987,534,095.63 - Step 5: Solve for x
x = 28,987,534,095.63/197,175.70 - Step 6: Final answer
x = 147,013.72
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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.