Finding the Fourth Proportional to 239,791.24, 359,608.99 and 79,824.21
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Solution
The fourth proportional to 239,791.24, 359,608.99 and 79,824.21 is: 119,710.39
Step by Step Solution
- Step 1: Write the proportion equation
239,791.24 : 359,608.99 = 79,824.21 : x - Step 2: Convert to fraction form
239,791.24/359,608.99 = 79,824.21/x - Step 3: Cross multiply
239,791.24x = 359,608.99 × 79,824.21 - Step 4: Simplify right side
239,791.24x = 28,705,502,636.63 - Step 5: Solve for x
x = 28,705,502,636.63/239,791.24 - Step 6: Final answer
x = 119,710.39
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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.