Finding the Fourth Proportional to 220,682.21, 304,532.21 and 125,206.90
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Solution
The fourth proportional to 220,682.21, 304,532.21 and 125,206.90 is: 172,780.28
Step by Step Solution
- Step 1: Write the proportion equation
220,682.21 : 304,532.21 = 125,206.90 : x - Step 2: Convert to fraction form
220,682.21/304,532.21 = 125,206.90/x - Step 3: Cross multiply
220,682.21x = 304,532.21 × 125,206.90 - Step 4: Simplify right side
220,682.21x = 38,129,533,515.94 - Step 5: Solve for x
x = 38,129,533,515.94/220,682.21 - Step 6: Final answer
x = 172,780.28
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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.