Finding the Fourth Proportional to 319,213.24, 440,515.61 and 175,970.14
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Solution
The fourth proportional to 319,213.24, 440,515.61 and 175,970.14 is: 242,839.53
Step by Step Solution
- Step 1: Write the proportion equation
319,213.24 : 440,515.61 = 175,970.14 : x - Step 2: Convert to fraction form
319,213.24/440,515.61 = 175,970.14/x - Step 3: Cross multiply
319,213.24x = 440,515.61 × 175,970.14 - Step 4: Simplify right side
319,213.24x = 77,517,593,563.89 - Step 5: Solve for x
x = 77,517,593,563.89/319,213.24 - Step 6: Final answer
x = 242,839.53
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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.