Finding the Fourth Proportional to 201,618.93, 278,231.92 and 110,972.95
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Solution
The fourth proportional to 201,618.93, 278,231.92 and 110,972.95 is: 153,141.46
Step by Step Solution
- Step 1: Write the proportion equation
201,618.93 : 278,231.92 = 110,972.95 : x - Step 2: Convert to fraction form
201,618.93/278,231.92 = 110,972.95/x - Step 3: Cross multiply
201,618.93x = 278,231.92 × 110,972.95 - Step 4: Simplify right side
201,618.93x = 30,876,216,946.56 - Step 5: Solve for x
x = 30,876,216,946.56/201,618.93 - Step 6: Final answer
x = 153,141.46
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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.