Finding the Fourth Proportional to 286,775.46, 395,747.73 and 159,449.94
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Solution
The fourth proportional to 286,775.46, 395,747.73 and 159,449.94 is: 220,039.58
Step by Step Solution
- Step 1: Write the proportion equation
286,775.46 : 395,747.73 = 159,449.94 : x - Step 2: Convert to fraction form
286,775.46/395,747.73 = 159,449.94/x - Step 3: Cross multiply
286,775.46x = 395,747.73 × 159,449.94 - Step 4: Simplify right side
286,775.46x = 63,101,951,212.89 - Step 5: Solve for x
x = 63,101,951,212.89/286,775.46 - Step 6: Final answer
x = 220,039.58
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1.5x scale
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.