Finding the Fourth Proportional to 226,023.68, 311,909.76 and 125,419.52
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Solution
The fourth proportional to 226,023.68, 311,909.76 and 125,419.52 is: 173,077.32
Step by Step Solution
- Step 1: Write the proportion equation
226,023.68 : 311,909.76 = 125,419.52 : x - Step 2: Convert to fraction form
226,023.68/311,909.76 = 125,419.52/x - Step 3: Cross multiply
226,023.68x = 311,909.76 × 125,419.52 - Step 4: Simplify right side
226,023.68x = 39,119,572,382.52 - Step 5: Solve for x
x = 39,119,572,382.52/226,023.68 - Step 6: Final answer
x = 173,077.32
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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.