Finding the Fourth Proportional to 331,458.36, 457,390.98 and 195,461.12
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Solution
The fourth proportional to 331,458.36, 457,390.98 and 195,461.12 is: 269,723.63
Step by Step Solution
- Step 1: Write the proportion equation
331,458.36 : 457,390.98 = 195,461.12 : x - Step 2: Convert to fraction form
331,458.36/457,390.98 = 195,461.12/x - Step 3: Cross multiply
331,458.36x = 457,390.98 × 195,461.12 - Step 4: Simplify right side
331,458.36x = 89,402,150,941.74 - Step 5: Solve for x
x = 89,402,150,941.74/331,458.36 - Step 6: Final answer
x = 269,723.63
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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.