Finding the Fourth Proportional to 155,251.47, 232,853.79 and 99,481.30
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Solution
The fourth proportional to 155,251.47, 232,853.79 and 99,481.30 is: 149,206.95
Step by Step Solution
- Step 1: Write the proportion equation
155,251.47 : 232,853.79 = 99,481.30 : x - Step 2: Convert to fraction form
155,251.47/232,853.79 = 99,481.30/x - Step 3: Cross multiply
155,251.47x = 232,853.79 × 99,481.30 - Step 4: Simplify right side
155,251.47x = 23,164,597,739.13 - Step 5: Solve for x
x = 23,164,597,739.13/155,251.47 - Step 6: Final answer
x = 149,206.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.