Finding the Fourth Proportional to 299,939.34, 449,818.14 and 157,707.98
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Solution
The fourth proportional to 299,939.34, 449,818.14 and 157,707.98 is: 236,514.19
Step by Step Solution
- Step 1: Write the proportion equation
299,939.34 : 449,818.14 = 157,707.98 : x - Step 2: Convert to fraction form
299,939.34/449,818.14 = 157,707.98/x - Step 3: Cross multiply
299,939.34x = 449,818.14 × 157,707.98 - Step 4: Simplify right side
299,939.34x = 70,939,910,226.76 - Step 5: Solve for x
x = 70,939,910,226.76/299,939.34 - Step 6: Final answer
x = 236,514.19
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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.