Finding the Fourth Proportional to 197,519.78, 272,575.28 and 106,873.76
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Solution
The fourth proportional to 197,519.78, 272,575.28 and 106,873.76 is: 147,484.70
Step by Step Solution
- Step 1: Write the proportion equation
197,519.78 : 272,575.28 = 106,873.76 : x - Step 2: Convert to fraction form
197,519.78/272,575.28 = 106,873.76/x - Step 3: Cross multiply
197,519.78x = 272,575.28 × 106,873.76 - Step 4: Simplify right side
197,519.78x = 29,131,146,005.28 - Step 5: Solve for x
x = 29,131,146,005.28/197,519.78 - Step 6: Final answer
x = 147,484.70
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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.