Finding the Fourth Proportional to 209,549.28, 289,177.96 and 114,056.63
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Solution
The fourth proportional to 209,549.28, 289,177.96 and 114,056.63 is: 157,398.12
Step by Step Solution
- Step 1: Write the proportion equation
209,549.28 : 289,177.96 = 114,056.63 : x - Step 2: Convert to fraction form
209,549.28/289,177.96 = 114,056.63/x - Step 3: Cross multiply
209,549.28x = 289,177.96 × 114,056.63 - Step 4: Simplify right side
209,549.28x = 32,982,663,587.87 - Step 5: Solve for x
x = 32,982,663,587.87/209,549.28 - Step 6: Final answer
x = 157,398.12
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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.