Finding the Fourth Proportional to 194,977.80, 292,466.70 and 142,489.80
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Solution
The fourth proportional to 194,977.80, 292,466.70 and 142,489.80 is: 213,734.70
Step by Step Solution
- Step 1: Write the proportion equation
194,977.80 : 292,466.70 = 142,489.80 : x - Step 2: Convert to fraction form
194,977.80/292,466.70 = 142,489.80/x - Step 3: Cross multiply
194,977.80x = 292,466.70 × 142,489.80 - Step 4: Simplify right side
194,977.80x = 41,673,521,589.66 - Step 5: Solve for x
x = 41,673,521,589.66/194,977.80 - Step 6: Final answer
x = 213,734.70
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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.