Finding the Fourth Proportional to 353,721.21, 488,119.95 and 192,576.84
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Solution
The fourth proportional to 353,721.21, 488,119.95 and 192,576.84 is: 265,747.70
Step by Step Solution
- Step 1: Write the proportion equation
353,721.21 : 488,119.95 = 192,576.84 : x - Step 2: Convert to fraction form
353,721.21/488,119.95 = 192,576.84/x - Step 3: Cross multiply
353,721.21x = 488,119.95 × 192,576.84 - Step 4: Simplify right side
353,721.21x = 94,000,597,511.96 - Step 5: Solve for x
x = 94,000,597,511.96/353,721.21 - Step 6: Final answer
x = 265,747.70
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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.