Finding the Fourth Proportional to 201,772.73, 278,425.76 and 124,236.06
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Solution
The fourth proportional to 201,772.73, 278,425.76 and 124,236.06 is: 171,433.08
Step by Step Solution
- Step 1: Write the proportion equation
201,772.73 : 278,425.76 = 124,236.06 : x - Step 2: Convert to fraction form
201,772.73/278,425.76 = 124,236.06/x - Step 3: Cross multiply
201,772.73x = 278,425.76 × 124,236.06 - Step 4: Simplify right side
201,772.73x = 34,590,518,803.73 - Step 5: Solve for x
x = 34,590,518,803.73/201,772.73 - Step 6: Final answer
x = 171,433.08
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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.