Finding the Fourth Proportional to 427,577.82, 641,177.19 and 227,860.98
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Solution
The fourth proportional to 427,577.82, 641,177.19 and 227,860.98 is: 341,690.46
Step by Step Solution
- Step 1: Write the proportion equation
427,577.82 : 641,177.19 = 227,860.98 : x - Step 2: Convert to fraction form
427,577.82/641,177.19 = 227,860.98/x - Step 3: Cross multiply
427,577.82x = 641,177.19 × 227,860.98 - Step 4: Simplify right side
427,577.82x = 146,099,262,867.05 - Step 5: Solve for x
x = 146,099,262,867.05/427,577.82 - Step 6: Final answer
x = 341,690.46
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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.