Finding the Fourth Proportional to 194,797.36, 292,077.78 and 76,326.76
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Solution
The fourth proportional to 194,797.36, 292,077.78 and 76,326.76 is: 114,443.80
Step by Step Solution
- Step 1: Write the proportion equation
194,797.36 : 292,077.78 = 76,326.76 : x - Step 2: Convert to fraction form
194,797.36/292,077.78 = 76,326.76/x - Step 3: Cross multiply
194,797.36x = 292,077.78 × 76,326.76 - Step 4: Simplify right side
194,797.36x = 22,293,350,615.39 - Step 5: Solve for x
x = 22,293,350,615.39/194,797.36 - Step 6: Final answer
x = 114,443.80
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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.