Finding the Fourth Proportional to 226,064.48, 311,969.84 and 125,462.48
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Solution
The fourth proportional to 226,064.48, 311,969.84 and 125,462.48 is: 173,138.70
Step by Step Solution
- Step 1: Write the proportion equation
226,064.48 : 311,969.84 = 125,462.48 : x - Step 2: Convert to fraction form
226,064.48/311,969.84 = 125,462.48/x - Step 3: Cross multiply
226,064.48x = 311,969.84 × 125,462.48 - Step 4: Simplify right side
226,064.48x = 39,140,509,811.60 - Step 5: Solve for x
x = 39,140,509,811.60/226,064.48 - Step 6: Final answer
x = 173,138.70
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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.