Finding the Fourth Proportional to 197,672.94, 272,789.64 and 107,029.08
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Solution
The fourth proportional to 197,672.94, 272,789.64 and 107,029.08 is: 147,700.66
Step by Step Solution
- Step 1: Write the proportion equation
197,672.94 : 272,789.64 = 107,029.08 : x - Step 2: Convert to fraction form
197,672.94/272,789.64 = 107,029.08/x - Step 3: Cross multiply
197,672.94x = 272,789.64 × 107,029.08 - Step 4: Simplify right side
197,672.94x = 29,196,424,202.73 - Step 5: Solve for x
x = 29,196,424,202.73/197,672.94 - Step 6: Final answer
x = 147,700.66
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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.