Finding the Fourth Proportional to 408,466.20, 612,699.30 and 248,107.80
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Solution
The fourth proportional to 408,466.20, 612,699.30 and 248,107.80 is: 372,161.70
Step by Step Solution
- Step 1: Write the proportion equation
408,466.20 : 612,699.30 = 248,107.80 : x - Step 2: Convert to fraction form
408,466.20/612,699.30 = 248,107.80/x - Step 3: Cross multiply
408,466.20x = 612,699.30 × 248,107.80 - Step 4: Simplify right side
408,466.20x = 152,015,475,384.54 - Step 5: Solve for x
x = 152,015,475,384.54/408,466.20 - Step 6: Final answer
x = 372,161.70
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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.