Finding the Fourth Proportional to 459,634.73, 689,455.14 and 160,120.97
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Solution
The fourth proportional to 459,634.73, 689,455.14 and 160,120.97 is: 240,182.52
Step by Step Solution
- Step 1: Write the proportion equation
459,634.73 : 689,455.14 = 160,120.97 : x - Step 2: Convert to fraction form
459,634.73/689,455.14 = 160,120.97/x - Step 3: Cross multiply
459,634.73x = 689,455.14 × 160,120.97 - Step 4: Simplify right side
459,634.73x = 110,396,225,788.29 - Step 5: Solve for x
x = 110,396,225,788.29/459,634.73 - Step 6: Final answer
x = 240,182.52
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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.