Finding the Fourth Proportional to 305,455.14, 458,184.23 and 125,638.62
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Solution
The fourth proportional to 305,455.14, 458,184.23 and 125,638.62 is: 188,458.55
Step by Step Solution
- Step 1: Write the proportion equation
305,455.14 : 458,184.23 = 125,638.62 : x - Step 2: Convert to fraction form
305,455.14/458,184.23 = 125,638.62/x - Step 3: Cross multiply
305,455.14x = 458,184.23 × 125,638.62 - Step 4: Simplify right side
305,455.14x = 57,565,633,734.77 - Step 5: Solve for x
x = 57,565,633,734.77/305,455.14 - Step 6: Final answer
x = 188,458.55
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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.