Finding the Fourth Proportional to 194,936.19, 292,440.74 and 61,780.69
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Solution
The fourth proportional to 194,936.19, 292,440.74 and 61,780.69 is: 92,682.59
Step by Step Solution
- Step 1: Write the proportion equation
194,936.19 : 292,440.74 = 61,780.69 : x - Step 2: Convert to fraction form
194,936.19/292,440.74 = 61,780.69/x - Step 3: Cross multiply
194,936.19x = 292,440.74 × 61,780.69 - Step 4: Simplify right side
194,936.19x = 18,067,190,701.31 - Step 5: Solve for x
x = 18,067,190,701.31/194,936.19 - Step 6: Final answer
x = 92,682.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.