Finding the Fourth Proportional to 319,224.26, 440,532.34 and 175,989.36
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Solution
The fourth proportional to 319,224.26, 440,532.34 and 175,989.36 is: 242,866.89
Step by Step Solution
- Step 1: Write the proportion equation
319,224.26 : 440,532.34 = 175,989.36 : x - Step 2: Convert to fraction form
319,224.26/440,532.34 = 175,989.36/x - Step 3: Cross multiply
319,224.26x = 440,532.34 × 175,989.36 - Step 4: Simplify right side
319,224.26x = 77,529,004,575.90 - Step 5: Solve for x
x = 77,529,004,575.90/319,224.26 - Step 6: Final answer
x = 242,866.89
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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.