Finding the Fourth Proportional to 192,844.99, 289,159.16 and 132,123.79
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Solution
The fourth proportional to 192,844.99, 289,159.16 and 132,123.79 is: 198,111.46
Step by Step Solution
- Step 1: Write the proportion equation
192,844.99 : 289,159.16 = 132,123.79 : x - Step 2: Convert to fraction form
192,844.99/289,159.16 = 132,123.79/x - Step 3: Cross multiply
192,844.99x = 289,159.16 × 132,123.79 - Step 4: Simplify right side
192,844.99x = 38,204,803,471.80 - Step 5: Solve for x
x = 38,204,803,471.80/192,844.99 - Step 6: Final answer
x = 198,111.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.