Finding the Fourth Proportional to 297,762.62, 410,961.40 and 217,455.98
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Solution
The fourth proportional to 297,762.62, 410,961.40 and 217,455.98 is: 300,125.02
Step by Step Solution
- Step 1: Write the proportion equation
297,762.62 : 410,961.40 = 217,455.98 : x - Step 2: Convert to fraction form
297,762.62/410,961.40 = 217,455.98/x - Step 3: Cross multiply
297,762.62x = 410,961.40 × 217,455.98 - Step 4: Simplify right side
297,762.62x = 89,366,011,380.73 - Step 5: Solve for x
x = 89,366,011,380.73/297,762.62 - Step 6: Final answer
x = 300,125.02
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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.