Finding the Fourth Proportional to 347,757.84, 479,865.87 and 194,774.76
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Solution
The fourth proportional to 347,757.84, 479,865.87 and 194,774.76 is: 268,766.79
Step by Step Solution
- Step 1: Write the proportion equation
347,757.84 : 479,865.87 = 194,774.76 : x - Step 2: Convert to fraction form
347,757.84/479,865.87 = 194,774.76/x - Step 3: Cross multiply
347,757.84x = 479,865.87 × 194,774.76 - Step 4: Simplify right side
347,757.84x = 93,465,759,661.44 - Step 5: Solve for x
x = 93,465,759,661.44/347,757.84 - Step 6: Final answer
x = 268,766.79
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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.