Finding the Fourth Proportional to 225,630.24, 311,369.79 and 123,659.75
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Solution
The fourth proportional to 225,630.24, 311,369.79 and 123,659.75 is: 170,650.48
Step by Step Solution
- Step 1: Write the proportion equation
225,630.24 : 311,369.79 = 123,659.75 : x - Step 2: Convert to fraction form
225,630.24/311,369.79 = 123,659.75/x - Step 3: Cross multiply
225,630.24x = 311,369.79 × 123,659.75 - Step 4: Simplify right side
225,630.24x = 38,503,908,832.10 - Step 5: Solve for x
x = 38,503,908,832.10/225,630.24 - Step 6: Final answer
x = 170,650.48
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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.