Finding the Fourth Proportional to 113,944.10, 157,229.44 and 62,953.79
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Solution
The fourth proportional to 113,944.10, 157,229.44 and 62,953.79 is: 86,868.81
Step by Step Solution
- Step 1: Write the proportion equation
113,944.10 : 157,229.44 = 62,953.79 : x - Step 2: Convert to fraction form
113,944.10/157,229.44 = 62,953.79/x - Step 3: Cross multiply
113,944.10x = 157,229.44 × 62,953.79 - Step 4: Simplify right side
113,944.10x = 9,898,188,204.05 - Step 5: Solve for x
x = 9,898,188,204.05/113,944.10 - Step 6: Final answer
x = 86,868.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.