Finding the Fourth Proportional to 217,219.26, 299,750.19 and 126,589.98
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Solution
The fourth proportional to 217,219.26, 299,750.19 and 126,589.98 is: 174,686.95
Step by Step Solution
- Step 1: Write the proportion equation
217,219.26 : 299,750.19 = 126,589.98 : x - Step 2: Convert to fraction form
217,219.26/299,750.19 = 126,589.98/x - Step 3: Cross multiply
217,219.26x = 299,750.19 × 126,589.98 - Step 4: Simplify right side
217,219.26x = 37,945,370,557.10 - Step 5: Solve for x
x = 37,945,370,557.10/217,219.26 - Step 6: Final answer
x = 174,686.95
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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.