Finding the Fourth Proportional to 116,432.28, 174,652.28 and 91,108.44
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Solution
The fourth proportional to 116,432.28, 174,652.28 and 91,108.44 is: 136,665.68
Step by Step Solution
- Step 1: Write the proportion equation
116,432.28 : 174,652.28 = 91,108.44 : x - Step 2: Convert to fraction form
116,432.28/174,652.28 = 91,108.44/x - Step 3: Cross multiply
116,432.28x = 174,652.28 × 91,108.44 - Step 4: Simplify right side
116,432.28x = 15,912,296,773.24 - Step 5: Solve for x
x = 15,912,296,773.24/116,432.28 - Step 6: Final answer
x = 136,665.68
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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.