Finding the Fourth Proportional to 408,744.87, 612,231.17 and 197,940.75
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Solution
The fourth proportional to 408,744.87, 612,231.17 and 197,940.75 is: 296,482.00
Step by Step Solution
- Step 1: Write the proportion equation
408,744.87 : 612,231.17 = 197,940.75 : x - Step 2: Convert to fraction form
408,744.87/612,231.17 = 197,940.75/x - Step 3: Cross multiply
408,744.87x = 612,231.17 × 197,940.75 - Step 4: Simplify right side
408,744.87x = 121,185,495,973.47 - Step 5: Solve for x
x = 121,185,495,973.47/408,744.87 - Step 6: Final answer
x = 296,482.00
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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.