Finding the Fourth Proportional to 201,511.98, 278,086.50 and 110,865.96
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Solution
The fourth proportional to 201,511.98, 278,086.50 and 110,865.96 is: 152,995.01
Step by Step Solution
- Step 1: Write the proportion equation
201,511.98 : 278,086.50 = 110,865.96 : x - Step 2: Convert to fraction form
201,511.98/278,086.50 = 110,865.96/x - Step 3: Cross multiply
201,511.98x = 278,086.50 × 110,865.96 - Step 4: Simplify right side
201,511.98x = 30,830,326,785.54 - Step 5: Solve for x
x = 30,830,326,785.54/201,511.98 - Step 6: Final answer
x = 152,995.01
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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.