Finding the Fourth Proportional to 415,272.21, 622,394.34 and 295,137.66
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Solution
The fourth proportional to 415,272.21, 622,394.34 and 295,137.66 is: 442,341.20
Step by Step Solution
- Step 1: Write the proportion equation
415,272.21 : 622,394.34 = 295,137.66 : x - Step 2: Convert to fraction form
415,272.21/622,394.34 = 295,137.66/x - Step 3: Cross multiply
415,272.21x = 622,394.34 × 295,137.66 - Step 4: Simplify right side
415,272.21x = 183,692,009,104.84 - Step 5: Solve for x
x = 183,692,009,104.84/415,272.21 - Step 6: Final answer
x = 442,341.20
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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.