Finding the Fourth Proportional to 197,655.99, 272,761.99 and 107,011.11
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Solution
The fourth proportional to 197,655.99, 272,761.99 and 107,011.11 is: 147,673.56
Step by Step Solution
- Step 1: Write the proportion equation
197,655.99 : 272,761.99 = 107,011.11 : x - Step 2: Convert to fraction form
197,655.99/272,761.99 = 107,011.11/x - Step 3: Cross multiply
197,655.99x = 272,761.99 × 107,011.11 - Step 4: Simplify right side
197,655.99x = 29,188,563,315.71 - Step 5: Solve for x
x = 29,188,563,315.71/197,655.99 - Step 6: Final answer
x = 147,673.56
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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.