Finding the Fourth Proportional to 319,176.58, 440,463.57 and 175,939.02
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Solution
The fourth proportional to 319,176.58, 440,463.57 and 175,939.02 is: 242,795.79
Step by Step Solution
- Step 1: Write the proportion equation
319,176.58 : 440,463.57 = 175,939.02 : x - Step 2: Convert to fraction form
319,176.58/440,463.57 = 175,939.02/x - Step 3: Cross multiply
319,176.58x = 440,463.57 × 175,939.02 - Step 4: Simplify right side
319,176.58x = 77,494,728,851.50 - Step 5: Solve for x
x = 77,494,728,851.50/319,176.58 - Step 6: Final answer
x = 242,795.79
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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.