Finding the Fourth Proportional to 135,719.70, 203,579.55 and 92,982.98
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Solution
The fourth proportional to 135,719.70, 203,579.55 and 92,982.98 is: 139,474.48
Step by Step Solution
- Step 1: Write the proportion equation
135,719.70 : 203,579.55 = 92,982.98 : x - Step 2: Convert to fraction form
135,719.70/203,579.55 = 92,982.98/x - Step 3: Cross multiply
135,719.70x = 203,579.55 × 92,982.98 - Step 4: Simplify right side
135,719.70x = 18,929,433,735.01 - Step 5: Solve for x
x = 18,929,433,735.01/135,719.70 - Step 6: Final answer
x = 139,474.48
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1.5x scale
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.