Finding the Fourth Proportional to 286,777.21, 395,750.15 and 159,451.69
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Solution
The fourth proportional to 286,777.21, 395,750.15 and 159,451.69 is: 220,042.00
Step by Step Solution
- Step 1: Write the proportion equation
286,777.21 : 395,750.15 = 159,451.69 : x - Step 2: Convert to fraction form
286,777.21/395,750.15 = 159,451.69/x - Step 3: Cross multiply
286,777.21x = 395,750.15 × 159,451.69 - Step 4: Simplify right side
286,777.21x = 63,103,030,235.25 - Step 5: Solve for x
x = 63,103,030,235.25/286,777.21 - Step 6: Final answer
x = 220,042.00
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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.