Finding the Fourth Proportional to 115,239.75, 172,888.79 and 32,133.75
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Solution
The fourth proportional to 115,239.75, 172,888.79 and 32,133.75 is: 48,208.76
Step by Step Solution
- Step 1: Write the proportion equation
115,239.75 : 172,888.79 = 32,133.75 : x - Step 2: Convert to fraction form
115,239.75/172,888.79 = 32,133.75/x - Step 3: Cross multiply
115,239.75x = 172,888.79 × 32,133.75 - Step 4: Simplify right side
115,239.75x = 5,555,564,994.99 - Step 5: Solve for x
x = 5,555,564,994.99/115,239.75 - Step 6: Final answer
x = 48,208.76
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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.