Finding the Fourth Proportional to 201,512.41, 278,083.43 and 137,848.03
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Solution
The fourth proportional to 201,512.41, 278,083.43 and 137,848.03 is: 190,227.75
Step by Step Solution
- Step 1: Write the proportion equation
201,512.41 : 278,083.43 = 137,848.03 : x - Step 2: Convert to fraction form
201,512.41/278,083.43 = 137,848.03/x - Step 3: Cross multiply
201,512.41x = 278,083.43 × 137,848.03 - Step 4: Simplify right side
201,512.41x = 38,333,252,133.62 - Step 5: Solve for x
x = 38,333,252,133.62/201,512.41 - Step 6: Final answer
x = 190,227.75
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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.