Finding the Fourth Proportional to 159,747.10, 239,620.65 and 48,939.10
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Solution
The fourth proportional to 159,747.10, 239,620.65 and 48,939.10 is: 73,408.65
Step by Step Solution
- Step 1: Write the proportion equation
159,747.10 : 239,620.65 = 48,939.10 : x - Step 2: Convert to fraction form
159,747.10/239,620.65 = 48,939.10/x - Step 3: Cross multiply
159,747.10x = 239,620.65 × 48,939.10 - Step 4: Simplify right side
159,747.10x = 11,726,818,952.42 - Step 5: Solve for x
x = 11,726,818,952.42/159,747.10 - Step 6: Final answer
x = 73,408.65
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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.