Finding the Fourth Proportional to 239,820.12, 330,950.34 and 132,396.84
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Solution
The fourth proportional to 239,820.12, 330,950.34 and 132,396.84 is: 182,706.85
Step by Step Solution
- Step 1: Write the proportion equation
239,820.12 : 330,950.34 = 132,396.84 : x - Step 2: Convert to fraction form
239,820.12/330,950.34 = 132,396.84/x - Step 3: Cross multiply
239,820.12x = 330,950.34 × 132,396.84 - Step 4: Simplify right side
239,820.12x = 43,816,779,212.93 - Step 5: Solve for x
x = 43,816,779,212.93/239,820.12 - Step 6: Final answer
x = 182,706.85
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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.