Finding the Fourth Proportional to 208,966.23, 313,449.35 and 84,219.75
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Solution
The fourth proportional to 208,966.23, 313,449.35 and 84,219.75 is: 126,329.63
Step by Step Solution
- Step 1: Write the proportion equation
208,966.23 : 313,449.35 = 84,219.75 : x - Step 2: Convert to fraction form
208,966.23/313,449.35 = 84,219.75/x - Step 3: Cross multiply
208,966.23x = 313,449.35 × 84,219.75 - Step 4: Simplify right side
208,966.23x = 26,398,625,473.56 - Step 5: Solve for x
x = 26,398,625,473.56/208,966.23 - Step 6: Final answer
x = 126,329.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.