Finding the Fourth Proportional to 197,764.05, 272,913.05 and 111,750.88
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Solution
The fourth proportional to 197,764.05, 272,913.05 and 111,750.88 is: 154,215.46
Step by Step Solution
- Step 1: Write the proportion equation
197,764.05 : 272,913.05 = 111,750.88 : x - Step 2: Convert to fraction form
197,764.05/272,913.05 = 111,750.88/x - Step 3: Cross multiply
197,764.05x = 272,913.05 × 111,750.88 - Step 4: Simplify right side
197,764.05x = 30,498,273,500.98 - Step 5: Solve for x
x = 30,498,273,500.98/197,764.05 - Step 6: Final answer
x = 154,215.46
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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.