Finding the Fourth Proportional to 201,901.53, 278,625.99 and 111,260.74
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Solution
The fourth proportional to 201,901.53, 278,625.99 and 111,260.74 is: 153,540.85
Step by Step Solution
- Step 1: Write the proportion equation
201,901.53 : 278,625.99 = 111,260.74 : x - Step 2: Convert to fraction form
201,901.53/278,625.99 = 111,260.74/x - Step 3: Cross multiply
201,901.53x = 278,625.99 × 111,260.74 - Step 4: Simplify right side
201,901.53x = 31,000,134,045.88 - Step 5: Solve for x
x = 31,000,134,045.88/201,901.53 - Step 6: Final answer
x = 153,540.85
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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.