Finding the Fourth Proportional to 226,023.36, 311,914.08 and 125,423.04
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Solution
The fourth proportional to 226,023.36, 311,914.08 and 125,423.04 is: 173,084.82
Step by Step Solution
- Step 1: Write the proportion equation
226,023.36 : 311,914.08 = 125,423.04 : x - Step 2: Convert to fraction form
226,023.36/311,914.08 = 125,423.04/x - Step 3: Cross multiply
226,023.36x = 311,914.08 × 125,423.04 - Step 4: Simplify right side
226,023.36x = 39,121,212,132.40 - Step 5: Solve for x
x = 39,121,212,132.40/226,023.36 - Step 6: Final answer
x = 173,084.82
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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.