Finding the Fourth Proportional to 145,992.44, 201,454.46 and 107,772.28
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Solution
The fourth proportional to 145,992.44, 201,454.46 and 107,772.28 is: 148,714.59
Step by Step Solution
- Step 1: Write the proportion equation
145,992.44 : 201,454.46 = 107,772.28 : x - Step 2: Convert to fraction form
145,992.44/201,454.46 = 107,772.28/x - Step 3: Cross multiply
145,992.44x = 201,454.46 × 107,772.28 - Step 4: Simplify right side
145,992.44x = 21,711,206,470.37 - Step 5: Solve for x
x = 21,711,206,470.37/145,992.44 - Step 6: Final answer
x = 148,714.59
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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.