Finding the Fourth Proportional to 201,488.29, 278,042.86 and 110,829.62
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Solution
The fourth proportional to 201,488.29, 278,042.86 and 110,829.62 is: 152,938.84
Step by Step Solution
- Step 1: Write the proportion equation
201,488.29 : 278,042.86 = 110,829.62 : x - Step 2: Convert to fraction form
201,488.29/278,042.86 = 110,829.62/x - Step 3: Cross multiply
201,488.29x = 278,042.86 × 110,829.62 - Step 4: Simplify right side
201,488.29x = 30,815,385,212.62 - Step 5: Solve for x
x = 30,815,385,212.62/201,488.29 - Step 6: Final answer
x = 152,938.84
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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.